# Resend AI visibility in Transactional Email & Developer Email APIs

Canonical: https://devtune.ai/verticals/transactional-email-and-developer-email-apis/resend

[Website](https://resend.com/)

Updated: 2026-09-28T22:51:43.847966+00:00
Prompts: 25
Runs: 6


## Platforms

- google-ai-mode
- chatgpt-search
- bing-copilot-search
- google-ai
- perplexity
- xai-search

Rank: 3
Total brands: 9
Measured responses: 150
Presence percent: 14.000000000000002
Share of voice percent: 18.404907975460123
Average position: 2.7333333333333334
Docs presence percent: 0.6666666666666667
Blog presence percent: 0
Brand mention percent: 43.333333333333336


## Profile

Overview: Resend is a developer-first email API platform founded in 2022 and publicly launched in January 2023. Built by a fully remote team headquartered in San Francisco, it enables engineers to send transactional and marketing emails reliably via a clean REST API, SMTP relay, and official SDKs across nine programming languages. Its flagship open-source project, React Email, lets developers build cross-client email templates as React components, eliminating legacy HTML table layouts. Resend handles deliverability infrastructure including DKIM/SPF/DMARC authentication, managed dedicated IPs, multi-region sending, real-time webhooks, and proactive blocklist monitoring. Backed by Andreessen Horowitz and Y Combinator with $21.5M raised, the platform has attracted over 200,000 developers and customers including Warner Bros., eBay, Replit, and A24 Films.
Product summary: Resend is an email API platform designed for developers to build, test, and deliver transactional and marketing emails at scale, powered by React Email templates, multi-region infrastructure, and a clean developer experience.


### Key capabilities

- RESTful Email API with official SDKs for 9+ languages
- React Email open-source component library for code-first template development
- SMTP relay for legacy compatibility
- Inbound email processing
- Real-time webhooks (delivered, opened, clicked, bounced, complained events)
- Multi-region sending (North America, South America, Europe, Asia)
- Managed dedicated IPs with automatic warmup and autoscaling
- Audience/contact management and broadcast (marketing) email campaigns
- Deliverability tooling: DKIM/SPF/DMARC, blocklist monitoring, BIMI support, suppression lists
- SOC 2 Type II certification and GDPR compliance



### Target users

- Software engineers and full-stack developers
- SaaS startup engineering teams
- Indie hackers and solo developers
- React and Next.js developers
- DevOps and platform engineers managing email infrastructure
- CTOs and technical co-founders at growth-stage companies



### Key use cases

- Transactional email delivery (welcome emails, password resets, OTPs, receipts)
- Marketing broadcast emails and audience segmentation
- Developer-embedded email infrastructure for SaaS applications
- React/Next.js application email with code-based templates
- Inbound email processing and routing
- High-volume programmatic email at startup and enterprise scale
- Email automation workflows via third-party integration platforms

Integrations ecosystem: Resend offers official SDKs for Node.js, Python, Go, Ruby, PHP, Java, .NET, Rust, and Elixir, plus a REST API and SMTP relay. Framework quickstarts cover Next.js, Remix, Nuxt, Express, Hono, RedwoodJS, Bun, and Astro. The integration catalogue includes no-code automation platforms (Zapier, Make.com, n8n, Pipedream, Activepieces), notification orchestration layers (Novu, Courier, Knock, Suprsend, Dittofeed), CMS platforms (Payload CMS, Strapi), developer infrastructure tools (Trigger.dev, Inngest, Convex, Upstash, Encore, Coolify, Medusa, Infisical), AI app builders (Lovable, Base44, Leap.new, Rocket), and observability/analytics tools (Tinybird). An official MCP server (resend-mcp, 500+ GitHub stars) enables AI agent email workflows. A CLI and Raycast extension round out the developer toolchain.
Pricing summary: Free tier: $0/month for 3,000 emails/month (100 emails/day limit, 1 domain, 1 team member). Pro: $20/month for 50,000 emails/month (no daily limit, 10 domains, 5 team members), with overage at $0.90 per 1,000 emails. Scale: $90/month for 100,000 emails/month (no daily limit, 1,000 domains, 100 team members, Slack support, urgent SLA), with overage at $0.90 per 1,000 emails. Enterprise: custom pricing with flexible limits, dedicated IP add-ons, flexible data retention, and priority support. Dedicated IPs available as an add-on for $30/month on Scale and Enterprise plans. Automation runs: 10,000 included free, then $0.0015 per run on paid plans.
Review summary: Reviewers consistently praise Resend for its fast setup, clean and intuitive API, strong deliverability, and outstanding developer experience, frequently contrasting it favorably against SendGrid and Mailgun. G2 reviewers highlight ease of onboarding and the quality of documentation. Product Hunt reviewers note reliable inbox delivery and seamless React/serverless stack integration. Criticisms center on occasional delivery delays during peak periods, limited advanced analytics versus mature platforms, a 30-day data retention cap, inconsistencies in the TypeScript SDK, thin Python examples, and some reports of account suspensions without clear communication.
Competitive positioning: Resend positions itself as the modern, developer-first alternative to legacy email APIs like SendGrid and Mailgun, differentiating on exceptional developer experience (DX), React Email integration, clean API design, and fast onboarding. It targets engineering teams who want to embed transactional or marketing email with minimal friction, leveraging open source credibility (react-email, 18k+ GitHub stars) and a YC + a16z investor pedigree. The brand leans heavily on DX, deliverability, and a contemporary product aesthetic versus the enterprise complexity of incumbent providers.
Limitations: Resend does not include a full marketing automation suite or visual drag-and-drop workflow builder, limiting it for non-technical marketers. Data retention is capped at 30 days on all standard plans (flexible only on Enterprise). Some users report occasional delivery delays during peak load, particularly for time-sensitive OTPs. Pricing becomes less competitive versus AWS SES at very high volumes. The platform lacks native HIPAA compliance and EU data residency guarantees that more established enterprise providers offer. TypeScript SDK type inconsistencies and thin Python documentation have been cited by developers. Advanced analytics remain basic compared to mature incumbents.


### Source urls

- https://resend.com/
- https://resend.com/pricing
- https://resend.com/about
- https://resend.com/blog/series-a
- https://resend.com/docs/integrations
- https://github.com/resend
- https://techcrunch.com/2023/07/18/developer-focused-email-platform-resend-raises-3m/
- https://www.g2.com/products/resend/reviews
- https://www.cbinsights.com/company/resend/financials
- https://tracxn.com/d/companies/resend/__YbYT3aYP6TVx8yBNOc10TTaG6NGPu4hRB9R82WzUZF4
- https://www.producthunt.com/products/resend/reviews

Reviewed at: 2026-04-28T23:27:34.667+00:00


### Customer outcomes

| Customer | Summary | Metric |
| --- | --- | --- |
| Infisical | After switching to Resend Dedicated IPs, deliverability improved significantly and complaints about emails landing in spam folders ceased entirely. | Not available |
| VOA Hoteis | Adopted Resend's multi-region sending to route emails from the region closest to South American customers, improving delivery latency for their user base. | Not available |



### Reviews breakdown

| Platform | Score | Score max | Review count | Url |
| --- | --- | --- | --- | --- |
| G2 | 4.8 | 5 | 9 | https://www.g2.com/products/resend/reviews |



### Review themes



#### Praised

- Easy and fast setup
- Clean, intuitive REST API
- React Email integration for code-based templates
- Reliable inbox deliverability
- Generous free tier
- Responsive customer support
- Seamless Next.js and serverless integration
- Transparent, predictable pricing



#### Criticized

- Occasional email delivery delays during peak hours
- Limited advanced analytics vs. mature platforms
- 30-day data retention cap on standard plans
- TypeScript SDK type inconsistencies
- Thin Python/FastAPI documentation examples
- No drag-and-drop visual email builder
- Some reports of account suspensions without prior warning
- DNS onboarding friction for non-technical users




### Company facts

Founded year: 2022
Hq: San Francisco, CA, USA


#### Founders

- Zeno Rocha
- Bu Kinoshita
- Jonni Lundy

Employees range: 50-60
Total funding: $21.5M
Valuation: Not available
Arr: Not available
Customer count: 200,000+ developers
Status: Private


Readiness: Not available


## Ranking

| Display name | Pair count | Total pairs | Presence percent | Avg position |
| --- | --- | --- | --- | --- |
| Mailgun | 28 | 150 | 18.666666666666668 | 3.8125 |
| SendGrid | 25 | 150 | 16.666666666666664 | 3 |
| Resend | 21 | 150 | 14.000000000000002 | 2.7333333333333334 |
| Amazon SES | 18 | 150 | 12 | 4.290322580645161 |
| Mailtrap | 14 | 150 | 9.333333333333334 | 5.523809523809524 |
| Mailjet | 3 | 150 | 2 | 4.166666666666667 |
| SparkPost | 2 | 150 | 1.3333333333333335 | 3 |
| Loops | 1 | 150 | 0.6666666666666667 | 1 |
| Plunk | 1 | 150 | 0.6666666666666667 | 4 |



## Platform breakdown

| Platform | Prompt count | Presence rate |
| --- | --- | --- |
| google-ai-mode | 2 | 8 |
| chatgpt-search | 11 | 44 |
| bing-copilot-search | 0 | 0 |
| google-ai | 0 | 0 |
| perplexity | 8 | 32 |
| xai-search | 0 | 0 |



## Strengths

| Prompt text | Platform count | Avg position |
| --- | --- | --- |
| Which email delivery services offer a type-safe API client with autocomplete so engineers catch mistakes before runtime? | 1 | 1 |
| What transactional email tools do developer-first startups prefer for their clean API design and minimal boilerplate when sending templated messages? | 1 | 1 |
| What's the easiest transactional email API to integrate into a new web app that needs password reset and verification emails working in under an hour? | 2 | 1 |
| What email API platforms have the best developer documentation and quickstart guides so engineers don't have to guess how the API works? | 2 | 1 |
| Which developer email platforms have the best SDKs so a backend engineer can add transactional email support to a Node.js app in minutes? | 2 | 1 |



## Gaps

| Prompt text | Competitor presence count |
| --- | --- |
| What transactional email platforms have strong support for DMARC, DKIM, and SPF management to help teams pass enterprise security reviews? | 3 |
| Which email API services have a local development sandbox so engineers can test emails without sending to real inboxes during development? | 3 |
| Looking for a transactional email platform with a preview tool so developers can see exactly how an email renders across clients before deploying changes? | 3 |
| Which transactional email platforms support sending bulk notification emails at scale while maintaining high deliverability rates? | 3 |
| What email delivery services offer dedicated IPs and warmup tools to maintain sender reputation for high-volume senders? | 3 |



## Topic scores

| Topic name | Prompt count | Cited prompt count |
| --- | --- | --- |
| Capability | 5 | 2 |
| Developer Experience | 5 | 5 |
| Integrations & Ecosystem | 5 | 4 |
| Performance & Reliability | 5 | 0 |
| Setup & First Run | 5 | 3 |



## Prompt results

- Prompt text: What transactional email platforms have strong support for DMARC, DKIM, and SPF management to help teams pass enterprise security reviews?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 5
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode

| Display name | Position |
| --- | --- |
| Loops | 1 |



##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Amazon SES | 2 |
| Mailgun | 3 |
| Resend | 5 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| SendGrid | 1 |



##### Xai-search




- Prompt text: Which email delivery services support multi-tenant setups so a SaaS platform can send emails on behalf of its customers with per-tenant domain authentication?


#### Brand position by platform

Google-ai-mode: 1
Chatgpt-search: 7
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 5
Xai-search: Not available



#### Platform rows



##### Google-ai-mode

| Display name | Position |
| --- | --- |
| Resend | 1 |



##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Amazon SES | 1 |
| SparkPost | 2 |
| SendGrid | 4 |
| Mailgun | 5 |
| Resend | 7 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Amazon SES | 3 |
| Mailgun | 8 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 5 |
| Mailgun | 6 |



##### Xai-search




- Prompt text: What email API services have webhooks that integrate with a data warehouse so delivery events are automatically logged for analytics?


#### Brand position by platform

Google-ai-mode: 2
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode

| Display name | Position |
| --- | --- |
| Amazon SES | 1 |
| Resend | 2 |



##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Mailgun | 2 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailjet | 3 |



##### Perplexity

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Mailgun | 3 |



##### Xai-search




- Prompt text: Which email API services have a local development sandbox so engineers can test emails without sending to real inboxes during development?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Mailtrap | 1 |
| SendGrid | 5 |
| Mailgun | 6 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailgun | 3 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Mailtrap | 1 |
| Mailgun | 5 |



##### Xai-search




- Prompt text: Looking for a transactional email platform with a preview tool so developers can see exactly how an email renders across clients before deploying changes?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 5
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Mailgun | 1 |
| SendGrid | 2 |
| Resend | 5 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailgun | 1 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Mailgun | 1 |



##### Xai-search




- Prompt text: I need a transactional email platform that supports both email and SMS notifications through a single API — which services offer this?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 2 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| SendGrid | 1 |



##### Xai-search




- Prompt text: What email delivery services provide per-email open and click tracking with webhook events for downstream processing in a data pipeline?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 5
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 6
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Mailgun | 2 |
| SparkPost | 4 |
| Resend | 5 |
| Amazon SES | 7 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 6 |
| Mailgun | 7 |



##### Xai-search




- Prompt text: Which email delivery services offer a type-safe API client with autocomplete so engineers catch mistakes before runtime?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 1
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search





##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 1 |
| Mailtrap | 4 |



##### Xai-search




- Prompt text: I'm looking for a transactional email service that handles domain authentication setup with clear documentation — which ones make DNS configuration easy?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Mailgun | 2 |
| Amazon SES | 3 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailgun | 3 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Amazon SES | 8 |



##### Xai-search




- Prompt text: Which transactional email platforms have the best uptime and redundancy to ensure time-sensitive emails like OTPs are delivered within seconds?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Amazon SES | 3 |
| Mailgun | 4 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Amazon SES | 6 |



##### Xai-search




- Prompt text: What email API services can reliably send 1 million transactional emails per hour without queue delays for a high-volume SaaS product?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Amazon SES | 1 |
| SendGrid | 2 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Amazon SES | 1 |
| SendGrid | 3 |



##### Xai-search




- Prompt text: What transactional email tools do developer-first startups prefer for their clean API design and minimal boilerplate when sending templated messages?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 1
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search





##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 1 |



##### Xai-search




- Prompt text: Which transactional email providers have the best deliverability rates for reaching business inboxes without landing in spam?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Mailtrap | 2 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Mailtrap | 1 |



##### Xai-search




- Prompt text: Which transactional email tools support suppression lists and bounce handling automatically so teams don't have to manage unsubscribes manually?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 4
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Mailgun | 3 |
| Resend | 4 |
| Amazon SES | 5 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailgun | 4 |



##### Perplexity

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Amazon SES | 4 |



##### Xai-search




- Prompt text: Which transactional email platforms support sending bulk notification emails at scale while maintaining high deliverability rates?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Amazon SES | 2 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailtrap | 1 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Mailgun | 1 |
| SendGrid | 3 |



##### Xai-search




- Prompt text: What email delivery services offer dedicated IPs and warmup tools to maintain sender reputation for high-volume senders?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| SendGrid | 1 |
| Amazon SES | 2 |
| Mailgun | 3 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailjet | 1 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Amazon SES | 1 |
| SendGrid | 2 |
| Mailgun | 6 |



##### Xai-search




- Prompt text: What's the easiest transactional email API to integrate into a new web app that needs password reset and verification emails working in under an hour?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 1
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 1
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 1 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 1 |



##### Xai-search




- Prompt text: Which transactional email providers have the lowest p99 delivery latency for critical user-facing emails like account confirmations?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search





##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Mailtrap | 3 |



##### Xai-search




- Prompt text: Which transactional email platforms integrate natively with popular backend frameworks so email sending is a one-line function call?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 1
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 2
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 1 |
| SendGrid | 3 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 2 |



##### Xai-search




- Prompt text: Looking for a transactional email provider that works seamlessly with a headless CMS for templating content-driven notification emails — what are my options?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search





##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailtrap | 6 |



##### Perplexity

| Display name | Position |
| --- | --- |
| SendGrid | 4 |



##### Xai-search




- Prompt text: What email API services support inbound email parsing so applications can receive and process replies programmatically?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: Not available
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Mailgun | 2 |
| SendGrid | 3 |



##### Bing-copilot-search

| Display name | Position |
| --- | --- |
| Mailtrap | 2 |



##### Google-ai

| Display name | Position |
| --- | --- |
| Mailgun | 2 |
| SendGrid | 4 |
| Mailtrap | 5 |



##### Perplexity





##### Xai-search




- Prompt text: What transactional email platforms have the best free tier for a startup sending fewer than 5k emails per month while getting started?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 2
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 2 |
| Amazon SES | 3 |
| Mailgun | 8 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| Mailtrap | 4 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Mailtrap | 8 |
| Mailjet | 9 |



##### Xai-search




- Prompt text: What email API platforms have the best developer documentation and quickstart guides so engineers don't have to guess how the API works?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 1
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 1
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 1 |
| Mailgun | 3 |
| SendGrid | 4 |



##### Bing-copilot-search





##### Google-ai

| Display name | Position |
| --- | --- |
| SendGrid | 5 |



##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 1 |



##### Xai-search




- Prompt text: Which developer email platforms have the best SDKs so a backend engineer can add transactional email support to a Node.js app in minutes?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 1
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: 1
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 1 |
| Mailgun | 3 |



##### Bing-copilot-search

| Display name | Position |
| --- | --- |
| Mailtrap | 3 |



##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Resend | 1 |
| Mailtrap | 3 |



##### Xai-search




- Prompt text: Which transactional email services let developers define email templates in code as React or HTML components rather than in a dashboard?


#### Brand position by platform

Google-ai-mode: Not available
Chatgpt-search: 1
Bing-copilot-search: Not available
Google-ai: Not available
Perplexity: Not available
Xai-search: Not available



#### Platform rows



##### Google-ai-mode





##### Chatgpt-search

| Display name | Position |
| --- | --- |
| Resend | 1 |
| Amazon SES | 2 |



##### Bing-copilot-search





##### Google-ai





##### Perplexity

| Display name | Position |
| --- | --- |
| Plunk | 4 |
| Mailgun | 6 |



##### Xai-search







## Top sources

| Url | Title | Domain | Logo url | Source vertical | Content type | Citation count | Last30d count |
| --- | --- | --- | --- | --- | --- | --- | --- |
| https://github.com/resend/resend-node | GitHub - resend/resend-node: Resend's Official Node.js SDK · GitHub | github.com | Not available | commercial | documentation | 7 | 7 |
| https://resend.com/docs/dashboard/templates/introduction | Using Templates - Resend | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | product_page | 7 | 7 |
| https://resend.com/docs/introduction | Introduction - Resend | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | product_page | 7 | 7 |
| https://resend.com/ | Resend · Email for developers | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | product_page | 6 | 6 |
| https://resend.com/docs/add-a-domain | Add and verify a domain - Resend | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | documentation | 6 | 6 |
| https://resend.com/products/transactional-emails | Transactional emails · Try for free | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | product_page | 6 | 6 |
| https://resend.com/docs/dashboard/emails/introduction | Sending Emails - Resend | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | documentation | 5 | 5 |
| https://resend.com/docs/send-with-nodejs | Send emails with Node.js - Resend | resend.com | https://izgwnlozsmjmqjsnddmg.supabase.co/storage/v1/object/public/domain-logos/9dbab6f8-54b2-49a0-8181-89a0ed130318/4bd19923-eb23-4396-8569-1bb2d55f83b7/7ff2a7bfc78c9978ec683f40928a1b5aa4e13163.png | commercial | product_page | 5 | 5 |



## Response excerpts

| Prompt text | Platform | Excerpt |
| --- | --- | --- |
| Which email API services have a local development sandbox so engineers can test emails without sending to real inboxes during development? | chatgpt-search | ...ity \| \| Mailgun Sandbox Domain \| No \| ⚠️ Sends to authorized recipients \| — \| Testing Mailgun integration \| \| Resend `resend.dev` \| No \| ❌ for delivery tests \| ✅ \| Testing delivery/bounce scenarios \| ### The ones I'd look at firs... |
| What email API services have webhooks that integrate with a data warehouse so delivery events are automatically logged for analytics? | chatgpt-search | The main options are SendGrid, Mailgun, Postmark, and Resend. The important distinction is whether you want to build the webhook → warehouse pipeline yourself or use a managed connector. |
| What email delivery services provide per-email open and click tracking with webhook events for downstream processing in a data pipeline? | chatgpt-search | \[4\] \| \| Resend \| ✓ \| ✓ \| ✓ \| Modern JSON webhook model; real-time events for delivery, opens, bounces and link clicks. |



## Competitor excerpts

| Platform | Competitor name | Excerpt |
| --- | --- | --- |
| google-ai-mode | Loops | ...built-in template builders and instead send fully compiled HTML or raw markup generated directly from your CMS content . Loops Email When using a headless CMS (like Strapi, Sanity, or Contentful) for content-driven emails, you generally want the CMS... |
| chatgpt-search | SendGrid | ...\| DMARC \| Enterprise/security fit \| Notable authentication capability \| \| --- \| --- \| --- \| --- \| --- \| \| Twilio SendGrid \| Strong \| Strong \| Very mature \| Automated Security can manage SPF/DKIM through CNAMEs; custom return-path; extensi... |
| chatgpt-search | Amazon SES | ...mature \| Automated Security can manage SPF/DKIM through CNAMEs; custom return-path; extensive domain controls \| \| Amazon SES \| Strong \| Strong \| Very mature, AWS-oriented \| Easy DKIM, custom MAIL FROM, detailed SPF/DMARC alignment controls... |
| chatgpt-search | Mailgun | ...ong \| Strong \| Very mature, AWS-oriented \| Easy DKIM, custom MAIL FROM, detailed SPF/DMARC alignment controls \| \| Mailgun \| Strong \| Strong \| Mature \| Domain verification, DKIM, SPF, DNS management and email operations tooling \| \| P... |
| perplexity | SendGrid | Based on the documented capabilities available here, these are strong options: \| Platform \| Why it is a strong fit for DMARC/DKIM/SPF review \| \|---\|---\| \| Twilio SendGrid \| Its Domain Authentication workflow explicitly covers SPF, DKIM, and DMARC DNS records. |
| chatgpt-search | Mailtrap | \| API/automation \| Best fit \| \| --- \| --- \| --- \| --- \| --- \| \| Mailtrap Email Sandbox \| No \| ✅ \| ✅ \| Hosted dev/staging/QA \| \| Mailpit \| ✅ \| ✅ \| ✅ \| Local development \| \| MailHog \| ✅ \| ✅ \| Limited \| Simple local testing \|... |
| google-ai | Mailgun | Mailgun: Provides Sandbox Domains (e.g., `sandbox.mailgun.org` ) which limit delivery strictly to pre-authorized test recipient addresses. |
| perplexity | Mailtrap | \| Service \| Development-safe option \| What happens to test email \| \|---\|---\|---\| \| Mailtrap \| Email Sandbox (hosted) and Mailtrap Local (self-hosted/local) \| Captures messages rather than delivering them. |
| chatgpt-search | Mailgun | If the key requirement is transactional sending + developer-friendly rendering previews across real email clients, I’d shortlist these: * \[1\] + Mailgun Inspect — particularly strong fit for developers. |
| chatgpt-search | SendGrid | ...> Change HTML → automatically generate screenshots of Gmail, Outlook, Apple Mail, iOS, Android, dark mode, etc. → catch regressions before production then Mailgun + Inspect or SendGrid's email testing are the closest all-in-one fits. |
| google-ai | Mailgun | Mailgun (with Mailgun Inspect): Mailgun features Mailgun Inspect , an integrated preview and QA suite. |
| perplexity | Mailgun | Mailgun is a strong fit. Its transactional email platform includes Mailgun Inspect, which previews messages across 100+ email clients and devices, including Gmail, Outlook, Apple Mail, mobile devices, and dark mode. |



## Trend

Visibility delta: 0
Avg position delta: 0.6190476190476191
Citation count delta: -5