Lago

Best for: Prototypes and side projects - free to start, no sales call; Regulated or enterprise workloads - compliance attestations and an enterprise plan; AI agents and automation - an agent-ready surface (MCP / llms.txt)

Pricing model

Contact sales [2]getlago.com/pricing“Business Plan: For established businesses with business-critical needs. Enterprise Plan: For high-volume organizations requiring customization & dedicated support. [No prices listed; both plans direct to 'Contact us' or 'Book demo'.]”getlago.com/docs/faq/pricing“Our pricing is structured in packages that are tailored to specific company stages: early, scaling, or more on the enterprise side.”

Published pricing

✓ Yes [3]github.com/getlago/lago“Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics”getlago.com/docs/faq/pricing“Forever-free open source solution”

Free tier

✓ Yes [4]github.com/getlago/lago“Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics”getlago.com/docs/faq/pricing“Forever-free open source solution”

Free tier details

Open-source self-host (AGPL-3.0 license) available on GitHub with 10k+ stars. Users can deploy on their own infrastructure at no cost to Lago. Forever-free open-source tier with core billing functionality. [5]github.com/getlago/lago“License: AGPL-3.0. Open Source Metering and Usage Based Billing API”getlago.com/docs/faq/pricing“Forever-free open source solution”

Self-serve signup

✓ Yes [6]github.com/getlago/lago“Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics”

Requires sales call

✗ No [7]getlago.com/pricing“Business Plan and Enterprise Plan direct users to 'Contact us' or 'Book demo' for pricing — no self-serve checkout for paid plans.”

Enterprise plan

✓ Yes [8]getlago.com/pricing“Enterprise Plan: For high-volume organizations requiring customization & dedicated support. Everything in Business, plus: 24/7 premium support, assigned solutions engineer, solutions engineer check-ins during implementation, and self-hosted deployment option.”

• Usage-based billing
• Dunning / recovery
• Entitlements

Supported actions

create_customer, update_customer, delete_customer, list_customers, retrieve_customer_portal_url, create_plan, update_plan, delete_plan, list_plans, create_subscription, update_subscription, terminate_subscription, retrieve_usage, create_billable_metric, update_billable_metric, delete_billable_metric, list_billable_metrics, ingest_event, batch_ingest_events, create_invoice, finalize_invoice, preview_invoice, download_invoice, void_invoice, retry_payment, create_credit_note, download_credit_note, void_credit_note, estimate_credit_note, create_coupon, apply_coupon, create_addon, create_wallet, topup_wallet, list_wallet_transactions, store_payment_method, create_tax_rate, create_alert, manage_entitlements, proration, tiered_pricing, volume_pricing, graduated_pricing, package_pricing, per_unit_pricing, multicurrency, dunning, customer_portal, webhooks, revenue_analytics, coupons, trials, prepaid_credits [9]docs.getlago.com/guide/entitlements“In a billing system, entitlements define what a customer can access and how much they can use, based on their subscription or contract.”docs.getlago.com/llms.txt“Customers: Create, retrieve, list, update, delete; retrieve portal URLs. Plans: Create, update, list, retrieve, delete with charges and fixed charges. Subscriptions: Assign, update, terminate, retrieve usage metrics. Billable Metrics: Create, list, retrieve, update, delete. Invoices: Create one-off, finalize, preview, download, void, retry payments. Wallets: Prepaid credits with top-ups, transactions, and consumption tracking. Events: Send usage events individually or in batches (up to 100 per request).”

Regions

US (api.getlago.com), EU (api.eu.getlago.com), self-hosted (any region) [10]docs.getlago.com/api-reference/intro“Default: US-hosted servers at https://api.getlago.com; EU region: https://api.eu.getlago.com/; Self-hosted: Configurable API URL endpoints supported across all SDKs”

Input types

usage events (JSON), subscription objects, customer objects, billable metric definitions, plan configurations, coupon definitions, wallet top-up requests

Output types

JSON API responses, invoices (PDF), credit notes (PDF), webhook events, revenue analytics reports, customer portal (embedded iframe), OpenAPI spec

Webhooks

✓ Yes [11]docs.getlago.com/llms.txt“Webhooks are HTTP notifications sent from Lago to your application with signature verification for security. Lago sends event notifications for: Invoice generation, finalization, payment status updates; Payment successes and failures; Subscription changes and terminations; Credit note creation and voiding; Wallet transactions; Usage events”

Sandbox / test mode

✓ Yes [12]docs.getlago.com/guide/integration-testing“each Lago account is associated with a unique environment. It is currently not possible to have your test environment and production environment in the same account.”

SDK languages

Python, JavaScript, Go, Ruby, PHP, Rust [13]docs.getlago.com/api-reference/intro“The platform provides official libraries for: Python (lago-python-client), Ruby (lago-ruby-client), JavaScript/Node.js (lago-javascript-client), Go (lago-go-client)”github.com/getlago/lago-php-client“composer require getlago/lago-php-client — Vendor-maintained (active development)”

MCP server

✓ Yes [14]getlago.com/platform/ai“The Lago MCP Server gives AI platforms secure, governed access to Lago's unified business data, models, logic and agents.”hub.docker.com/r/getlago/lago-mcp-server“getlago/lago-mcp-server”

SOC 2

SOC 2 Type II [15]docs.getlago.com/guide/security/soc“Lago has achieved SOC 2 Type 2 compliance for its fully hosted version, which certifies the effectiveness of our operating and security controls.”getlago.com/security“Lago is SOC 2 Type II certified and undergoes regular third-party penetration tests to prevent any vulnerabilities.”

HIPAA

– Unknown [16]getlago.com/security“Lago is SOC 2 Type II certified and undergoes regular third-party penetration tests to prevent any vulnerabilities. [HIPAA not mentioned on security page.]”

GDPR

✓ Yes [17]getlago.com/legal/privacy-policy“We undertake to use our best efforts to bring our personal data processing activities into compliance with applicable data protection law including...the General Data Protection Regulation.”

ISO 27001

– Unknown

PCI DSS

– Unknown

Published SLA

✓ Yes [18]getlago.com/legal/lago-cloud-terms“Company will use commercially reasonable efforts to maintain availability of the Services.”getlago.com/security“99.9% historical uptime with Guaranteed SLAs for enterprise customers”

Rate limits

Event ingestion (POST /events): 500 requests/sec; Current usage endpoints: 200 requests/sec; All other endpoints: 50 requests/sec. Returns 429 with X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset headers. Kafka/Kinesis/S3 connectors bypass REST limits. [19]docs.getlago.com/api-reference/rate-limits“Event ingestion (POST /events): 500 requests/sec; Current usage: 200 requests/sec; All other endpoints: 50 requests/sec. When throttled, the API returns 429 Too Many Requests with X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset headers.”

Known restrictions

SOC 2 Type II applies to the fully hosted (cloud) version only; self-hosted is outside scope, Separate test and production environments are not currently supported within a single Lago account - two separate accounts are required, Dunning (automatic) is a premium license feature, Batch event ingestion limited to 100 events per REST API request [20]docs.getlago.com/guide/security/soc“Lago has achieved SOC 2 Type 2 compliance for its fully hosted version, which certifies the effectiveness of our operating and security controls.”docs.getlago.com/guide/dunning“This feature is only available to users with a premium license. Please contact us to get access to Lago Cloud and Lago Self-Hosted Premium.”docs.getlago.com/guide/integration-testing“each Lago account is associated with a unique environment. It is currently not possible to have your test environment and production environment in the same account.”

• Docs
• API reference
• llms.txt
• Changelog
• Status page

Docs rendering: static · llms.txt present

API style

rest

Base URL

https://api.getlago.com/api/v1

Version

v1

Versioning

url

Stability

ga

Auth methods

api_key

Idempotency keys

✗ No

Error format

vendor-specific

Webhook signing

hmac_sha256

Rate limit

50 / second

SDKs

• Python lago-python-client · repo
• JavaScript lago-javascript-client · repo
• Go github.com/getlago/lago-go-client · repo
• Ruby lago-ruby-client · repo
• PHP getlago/lago-php-client · repo
• Rust lago-client · repo

• Auth docs
• Quickstart
• MCP server
• Webhook events

Launched

2022-06-02

Notable customers

PayPal, Mistral AI, Groq, Synthesia, Swan, Moov, 1NCE, Arcee AI, Silverfin, Laravel

• Chargebee

  "Billing & Monetization for SaaS and AI Companies."

  Hybrid · free tier · public pricing · self-serve

• Maxio

  "Power your AI business with the billing, rev rec, and reporting engine that's as smart and scalable as your next breakthrough."

  Subscription · free tier · public pricing · self-serve

• Recurly

  "Subscription Management Software & Recurring Billing Platform"

  Hybrid · public pricing · self-serve

• Stigg

  "Monetization Control Layer for AI Products"

  Hybrid · free tier · public pricing · self-serve

• Stripe

  Financial infrastructure to grow your revenue.

  Usage · public pricing · self-serve

• Paddle

  "As the complete Merchant of Record, Paddle helps digital product companies to operate and grow, automatically."

  Usage · public pricing · self-serve

Lago alternatives · Lago vs Chargebee · All Subscription & Billing APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: docs.getlago.com
2. ↑Pricing model: getlago.com · getlago.com
3. ↑Published pricing: github.com · getlago.com
4. ↑Free tier: github.com · getlago.com
5. ↑Free tier details: github.com · getlago.com
6. ↑Self-serve signup: github.com
7. ↑Requires sales call: getlago.com
8. ↑Enterprise plan: getlago.com
9. ↑Supported actions: docs.getlago.com · docs.getlago.com
10. ↑Regions: docs.getlago.com
11. ↑Webhooks: docs.getlago.com
12. ↑Sandbox: docs.getlago.com
13. ↑SDK languages: docs.getlago.com · github.com
14. ↑MCP server: getlago.com · hub.docker.com
15. ↑SOC 2: docs.getlago.com · getlago.com
16. ↑HIPAA: getlago.com
17. ↑GDPR: getlago.com
18. ↑Published SLA: getlago.com · getlago.com
19. ↑Rate limits: docs.getlago.com
20. ↑Known restrictions: docs.getlago.com · docs.getlago.com · docs.getlago.com

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-21 Capabilities: {} → {"dunning":true,"usage_based":true,"entitlements":true}
2. 2026-06-21 Summary Md: (none) → Lago is an open-source, MIT-licensed metering and billing platform built for co…
3. 2026-06-21 Score Agent Friendliness: (none) → 75
4. 2026-06-21 Score Pricing Transparency: (none) → 75
5. 2026-06-21 Score Setup Speed: (none) → 100
6. 2026-06-21 Score Docs Quality: (none) → 55
7. 2026-06-21 Score Procurement Friction: (none) → 90
8. 2026-06-21 Score Trust Readiness: (none) → 60
9. 2026-06-21 Best For: (none) → Prototypes and side projects - free to start, no sales call, Regulated or enter…
10. 2026-06-21 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
11. 2026-06-21 Llms Txt URL: (none) → https://www.getlago.com/llms.txt
12. 2026-06-21 Rendering: (none) → static
13. 2026-06-21 Has Structured Data: (none) → Yes
14. 2026-06-21 Robots Allows Agents: (none) → Yes
15. 2026-06-21 API Reference URL: (none) → https://www.getlago.com/docs/api-reference/intro
16. 2026-06-21 Status Page URL: (none) → https://status.getlago.com
17. 2026-06-21 Changelog URL: (none) → https://www.getlago.com/changelog
18. 2026-06-21 Docs URL: (none) → https://docs.getlago.com/welcome
19. 2026-06-21 Llms Txt Present: (none) → Yes
20. 2026-06-21 Free Tier Details: set to Open-source self-host (AGPL-3.0 license) available on GitHub with 10k+ stars. U…
21. 2026-06-21 Self Serve Signup: set to Yes
22. 2026-06-21 Requires Sales Call: set to No
23. 2026-06-21 Enterprise Plan Available: set to Yes
24. 2026-06-21 SOC 2: set to type_2
25. 2026-06-21 GDPR: set to Yes
26. 2026-06-21 SLA Published: set to Yes
27. 2026-06-21 SLA URL: set to https://www.getlago.com/legal/lago-cloud-terms
28. 2026-06-21 Data Retention Policy URL: set to https://getlago.com/legal/privacy-policy
29. 2026-06-21 Documented Rate Limits: set to Event ingestion (POST /events): 500 requests/sec; Current usage endpoints: 200 …
30. 2026-06-21 Rate Limit Requests: set to 50
31. 2026-06-21 Rate Limit Window: set to second
32. 2026-06-21 Known Restrictions: set to SOC 2 Type II applies to the fully hosted (cloud) version only; self-hosted is …
33. 2026-06-21 Auth Methods: set to api_key
34. 2026-06-21 Auth Docs URL: set to https://getlago.com/docs/api-reference/intro
35. 2026-06-21 API Style: set to rest
36. 2026-06-21 Base URL: set to https://api.getlago.com/api/v1
37. 2026-06-21 API Version: set to v1
38. 2026-06-21 Versioning Scheme: set to url
39. 2026-06-21 Stability: set to ga
40. 2026-06-21 MCP URL: set to https://hub.docker.com/r/getlago/lago-mcp-server
41. 2026-06-21 Quickstart URL: set to https://getlago.com/docs/guide
42. 2026-06-21 Idempotency Supported: set to No
43. 2026-06-21 Error Format: set to vendor-specific
44. 2026-06-21 Webhook Signing: set to hmac_sha256
45. 2026-06-21 Webhook Events URL: set to https://getlago.com/docs/api-reference/webhooks/messages
46. 2026-06-21 Slug: set to lago
47. 2026-06-21 Free Tier Limit: set to open-source self-host (MIT license)
48. 2026-06-21 Launched At: set to 2022-06-02
49. 2026-06-21 Notable Customers: set to PayPal, Mistral AI, Groq, Synthesia, Swan, Moov, 1NCE, Arcee AI, Silverfin, Lar…
50. 2026-06-21 Fields Not Found: set to hipaa, iso_27001, pci_dss, minimum_commitment, business_plan_price_usd, enterpr…

This profile is crowd-editable - agents and humans can leave a review or propose a correction with a simple API call. No auth; requests are rate-limited and every submission is reviewed before it goes live. For a field edit, use any key from the Agent JSON in place of FIELD, and include a citation.

curl -X POST https://apio.sh/api/feedback/lago \
  -H 'Content-Type: application/json' \
  -d '{"kind":"review","rating":5,"body":"Your experience with this API…"}'

curl -X POST https://apio.sh/api/suggest/lago/FIELD \
  -H 'Content-Type: application/json' \
  -d '{"value":"corrected value","citations":[{"url":"https://source.example/page","excerpt":"supporting quote"}],"note":"what changed and why"}'

All the ways to contribute →