AI visibility report
Lago ranks #6 in Payments & Fintech APIs AI search.
Outside the top three on 19 of the 25 prompts buyers actually ask.
Stripe is cited on 18 of those losses.
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Track Lago across these prompts daily.
Start free trial#6 among 13 vendors · still absent from 91.3% of tracked prompt responses
Top-3 citations across 150 prompt × platform pairs
Peer Ranking
Key Metrics
Platform Breakdown
Grok
Google AI Mode
ChatGPT
Perplexity
Gemini Search
Bing CopilotVisible, but narrative can improve. Lago ranks #6 on presence but #10 on sentiment. The brand appears relatively often, but competitors may be getting more favorable language when they appear.
Where Lago is losing
Prompts where competitors are visible and Lago is not.
These prompt-level losses are the first prompts to track and repair.
Where Lago is winning1
Which payment API providers offer the best uptime and latency SLAs for high-volume checkout flows — what should I require before committing to one?
Avg # 1.0 · 1 platform
Where Lago is losing5
Which fintech banking APIs handle ACH account verification best — which ones offer both micro-deposit flows and instant verification options?
Competitors on 5 platforms
Track this promptWhat are the best payment API sandboxes for testing failed card scenarios and 3DS authentication locally without hitting live payment networks?
Competitors on 4 platforms
Track this promptWhich payment platforms support marketplace and split-payment models where funds need to be distributed to multiple vendors in a single transaction?
Competitors on 3 platforms
Track this promptWhich payment API platforms have the most reliable webhook delivery — which ones handle retries automatically when your server is down during a payment event?
Competitors on 3 platforms
Track this promptWhich payment APIs handle 3DS2 strong customer authentication and exemption logic most intelligently to minimize impact on checkout conversion rates?
Competitors on 3 platforms
Track this prompt
Track Lago daily before the next report refresh.
Track these gapsResearch dossierCapabilities, use cases, sources, reviews, pricing, and FAQ
Overview
Lago is an open-source billing infrastructure platform founded in Paris in 2021 and backed by Y Combinator, FirstMark Capital, and SignalFire. It provides engineering and finance teams with a programmable API and visual interface to manage complex pricing models including usage-based, subscription, hybrid, and enterprise custom contracts. Lago's AGPLv3-licensed codebase can be self-hosted for full data control or consumed as a managed cloud service. The platform covers the full billing lifecycle: event ingestion and real-time metering, plan configuration, automated invoicing, prepaid credits, entitlements, cash collection, and revenue analytics. Customers include Mistral AI, PayPal, Groq, Arcee AI, and 1NCE. Lago processes approximately $829 million in invoices monthly.
Lago is an open-source, API-first billing platform designed to handle complex, hybrid, and usage-based pricing models at scale. It combines a programmable metering engine, plan and subscription management, automated invoicing, entitlements, cash collection, and revenue analytics in a single system. It is payment-agnostic and can be deployed on Lago Cloud or self-hosted, giving companies full transparency and control over their billing infrastructure.
Key Facts
- Founded
- 2021
- HQ
- Paris, France
- Founders
- Anh-Tho Chuong, Raffi Sarkissian
- Employees
- 51-100
- Funding
- $22M
- Valuation
- ~$100M
- Status
- Private
Target users
Key Capabilities10
- Real-time event-based usage metering and aggregation
- Hybrid pricing plans combining subscriptions and usage-based charges
- Automated invoice generation and management
- Prepaid credits and wallet management
- Entitlements managed directly within the billing engine
- Cash collection, dunning, and payment orchestration
- Revenue analytics dashboards and data pipeline export
- Lago Embedded white-label billing for platforms
- Lago AI: AI-powered billing agents (apply discounts, void invoices, retry payments)
- Self-hosted (AGPLv3) or Lago Cloud deployment with SOC 2 Type II compliance
Key Use Cases8
- Usage-based and consumption billing for AI companies (tokens, GPU time, API calls)
- Hybrid subscription + usage pricing for B2B SaaS
- Enterprise custom contract and plan-override billing
- IoT and telco device-level metered billing
- Embedded white-label billing for platforms and ecosystems
- Multi-product and multi-geography billing consolidation
- Data-sovereign billing for regulated industries via self-hosting
- Pricing experimentation without engineering bottlenecks
Lago customer outcomes
700+ paying customers in year one; 8-figure ARR
CI/CD infrastructure startup Blacksmith (YC W24) used Lago to build scalable usage-based billing for its GitHub Actions complement service, enabling compute-level metering and flexible pricing experimentation without diverting engineering resources from core development.
Mistral AI adopted Lago to handle subscriptions and usage-based billing across dozens of products, enabling their team to focus on model development rather than billing infrastructure.
Global IoT connectivity provider 1NCE used Lago to automate and scale its global IoT billing, supporting a transition from flat-rate connectivity pricing to a pay-as-you-go metered model.
Recent Trend
How AI describes Lago3
Lago proration concepts and real-world calculations for upgrades/downgrades, including immediate vs. end-of-cycle adjustments.
Which billing platforms handle complex proration logic best when customers upgrade or downgrade mid-cycle — what should I look at?
Lago (Best Open-Source & Self-Hosted Option) ------------------------------------------------ Lago is a highly popular, modern open-source alternative to proprietary billing platforms.
Which billing platforms best support usage-based pricing with tiered, per-unit, and flat-fee components combined in a single subscription plan?
Lago: An open-source billing engine that natively bridges the gap between self-serve and custom enterprise tiers.
Which billing infrastructure platforms can manage enterprise custom contracts with negotiated pricing alongside self-serve subscriptions from the same system?
Most cited sources8
- G10
Lago | Open-Source Billing Infrastructure
getlago.com·Blog Post
- G5
GitHub - getlago/lago: Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
github.com·Documentation
- G4
Proration in SaaS Billing: Calculations and Edge Cases - Lago
getlago.com·Blog Post
- G4
Lago Blog | Top 7 Alternatives to Stripe Billing for usage-based Billing
getlago.com·Blog Post
- G3
Lago Blog | How to Build a Powerful Usage-Based Billing System
getlago.com·Blog Post
- G2
Lago Blog | 7 billing models you need to know if you work on pricing
getlago.com·Blog Post
Alternatives in Payments & Fintech APIs6
Lago positions itself as the open-source, developer-first alternative to proprietary billing incumbents such as Stripe Billing, Chargebee, and Recurly.
- Its core differentiator is full code transparency via an AGPLv3 GitHub repository, giving teams the option to self-host for complete data sovereignty or adopt the managed cloud offering.
- Lago targets companies with complex pricing needs—usage-based, hybrid subscription/consumption, multi-product, and enterprise custom contracts—that outgrow simpler SaaS billing tools.
- It competes on extensibility, payment-provider agnosticism, and a flat SaaS pricing model that charges no percentage of revenue, contrasting with incumbent rent-seeker pricing structures.
Reviews
Praised
- Open-source and self-hostable architecture
- Developer-friendly, well-documented API
- Full control over billing stack
- Highly customizable for complex use cases
- Responsive customer support via Slack
- No percentage-of-revenue pricing model
- Handles complex and hybrid billing scenarios
- Fast implementation for API-first teams
Criticized
- Steep learning curve migrating from Stripe Billing or Chargebee
- High engineering overhead for self-hosting and customization
- Non-technical users struggle with self-hosted setup
- Customer portal and advanced features locked behind paid tier
- Cloud pricing not publicly listed
- Lacks native CPQ and revenue recognition workflows
User sentiment on Product Hunt and G2 is consistently positive, with reviewers highlighting Lago's open-source transparency, developer-friendly API, customizability, and strong Slack-based customer support. Common praise centers on its ability to handle complex billing scenarios and eliminate engineering overhead for pricing iteration. Criticism includes a steep learning curve when migrating from Stripe or Chargebee, high engineering overhead for self-hosting and customization, and the absence of key features (such as the customer portal) in the free tier. One reviewer noted difficulty in obtaining clear upgrade pricing quotes.
Pricing
Lago offers two paid cloud tiers—Business and Enterprise—both requiring a sales conversation (no public price list). Third-party sources estimate cloud pricing from approximately $1,000–$3,000 per month. The self-hosted open-source version is free under the AGPLv3 license but excludes premium features such as the customer portal, advanced integrations, and dedicated support. Lago does not charge a percentage of revenue, distinguishing it from transaction-fee billing models used by Stripe Billing and similar incumbents. Some add-ons (progressive billing, tax integrations, CRM/ERP integrations, dunning, forward-deployed engineers) are available at additional cost.
Limitations
- Self-hosting requires Docker, command-line proficiency, and meaningful engineering investment, making it inaccessible to non-technical users.
- The self-hosted open-source version excludes premium features such as the customer portal, which require a paid cloud subscription.
- Lago lacks native advanced revenue automation capabilities found in full-stack platforms (e.g., CPQ, revenue recognition, quote-to-cash workflows).
- There is a learning curve when migrating from Stripe Billing or Chargebee.
- Cloud pricing is not publicly listed, creating friction in the evaluation process.
Frequently asked questions
Topic coverageCoverage by buyer topic
Topic Coverage
Prompt-Level Results
| Prompt | Perplexity | Gemini Search | Google AI Mode | Bing Copilot | ChatGPT | Grok |
|---|---|---|---|---|---|---|
Capability2/5 cited (40%) | ||||||
What payment APIs support high-risk industries or businesses with elevated chargeback rates — which platforms are worth evaluating for these use cases? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which payment platforms support marketplace and split-payment models where funds need to be distributed to multiple vendors in a single transaction? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited |
Which billing infrastructure platforms can manage enterprise custom contracts with negotiated pricing alongside self-serve subscriptions from the same system? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited | Your brand and a competitor were cited |
Which fintech banking APIs handle ACH account verification best — which ones offer both micro-deposit flows and instant verification options? | A competitor was cited | A competitor was cited | A competitor was cited | A competitor was cited | A competitor was cited | A competitor was cited |
Which billing platforms best support usage-based pricing with tiered, per-unit, and flat-fee components combined in a single subscription plan? | Neither your brand nor a competitor was cited | Your brand and a competitor were cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Your brand and a competitor were cited |
Developer Experience3/5 cited (60%) | ||||||
Which payment API platforms have the most reliable webhook delivery — which ones handle retries automatically when your server is down during a payment event? | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
What are the best payment API sandboxes for testing failed card scenarios and 3DS authentication locally without hitting live payment networks? | A competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Looking for a billing platform that supports a custom pricing page reflecting real-time plan changes without tight backend coupling — what are my options? | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Your brand and a competitor were cited |
Which payment APIs are best for building a multi-currency checkout with automatic international tax and VAT calculation built in? | Neither your brand nor a competitor was cited | A competitor was cited | Your brand was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which billing platforms handle complex proration logic best when customers upgrade or downgrade mid-cycle — what should I look at? | Your brand and a competitor were cited | A competitor was cited | Your brand and a competitor were cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited |
Integrations & Ecosystem1/5 cited (20%) | ||||||
Which payment and billing platforms integrate best with accounting software to automate revenue recognition and reconciliation? | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
What tax compliance tools integrate best with payment APIs that don't include built-in calculation — what do teams use for US state tax and EU VAT coverage? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which payments APIs offer the best built-in fraud scoring, and which ones connect well to third-party fraud detection platforms if you need to bring your own? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
What are the best tools for syncing subscription state from a billing API into a product database so that feature gating always reflects the current plan? | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which billing platforms can feed revenue data directly into a data warehouse for real-time MRR and churn analytics without custom ETL pipelines? | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited | A competitor was cited |
Performance & Reliability1/5 cited (20%) | ||||||
Which payment API providers offer the best uptime and latency SLAs for high-volume checkout flows — what should I require before committing to one? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which payment APIs handle 3DS2 strong customer authentication and exemption logic most intelligently to minimize impact on checkout conversion rates? | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which billing platforms handle idempotency best to prevent duplicate charges during network timeouts and retries at checkout? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which subscription billing platforms handle dunning and failed payment recovery at scale without requiring custom retry logic? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
What payment infrastructure tools help architect a resilient checkout that stays available during a processor outage — what should I evaluate? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | A competitor was cited |
Setup & First Run1/5 cited (20%) | ||||||
What payment APIs are best suited for startups that need to meet PCI DSS compliance requirements from their first integration? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which payment platforms handle both one-time purchases and recurring subscriptions from the same checkout flow — what should a startup evaluate? | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
What are the best billing platforms for setting up usage-based pricing for an API product — which ones handle automatic metered charging without custom infrastructure? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited | Your brand and a competitor were cited |
What's the fastest way to add subscription billing with trial periods and seat-based pricing to a B2B SaaS app — which platforms handle this without building from scratch? | A competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which billing platforms make it easiest to migrate existing customers and active subscriptions without causing payment failures during the transition? | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Turn this matrix into daily prompt monitoring.
Track prompt changesVertical Ranking
| # | Brand | PresencePres. | Share of VoiceSoV | DocsDocs | BlogBlog | MentionsMent. | Avg PosPos | Sentiment |
|---|---|---|---|---|---|---|---|---|
| 1 | Stripe | 39.3% | 31.6% | 21.3% | 0.7% | 92.7% | #20.5 | +0.45 |
| 2 | Chargebee | 16.7% | 16.1% | 6.0% | 4.0% | 46.7% | #33.1 | +0.32 |
| 3 | Paddle | 10.7% | 7.6% | 4.0% | 3.3% | 20.7% | #25.6 | +0.23 |
| 4 | Adyen | 10.0% | 9.6% | 7.3% | 0.0% | 48.0% | #23.0 | +0.52 |
| 5 | Orb | 9.3% | 7.8% | 2.0% | 8.7% | 16.0% | #37.4 | +0.16 |
| 6 | Lago | 8.7% | 4.9% | 1.3% | 6.0% | 14.7% | #17.2 | +0.30 |
| 7 | Recurly | 8.0% | 6.1% | 3.3% | 5.3% | 29.3% | #29.3 | +0.36 |
| 8 | Plaid | 4.0% | 4.0% | 2.7% | 0.0% | 4.0% | #10.6 | +0.68 |
| 9 | Square | 4.0% | 3.1% | 3.3% | 0.0% | 0.0% | #36.1 | +0.72 |
| 10 | Braintree | 4.0% | 3.4% | 3.3% | 0.0% | 0.0% | #45.6 | +0.75 |
| 11 | Stigg | 3.3% | 2.2% | 0.0% | 3.3% | 6.0% | #42.0 | +0.36 |
| 12 | Lemon Squeezy | 2.0% | 2.0% | 2.0% | 0.0% | 4.0% | #3.7 | -0.15 |
| 13 | Moov | 0.7% | 1.3% | 0.7% | 0.0% | 1.3% | #40.5 | +0.50 |
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