Lago website screenshot

Lago

Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing, at every stage of your company.

Lago publishes 17 APIs on the APIs.io network, including Add_ons API, Analytics API, Billable_metrics API, and 14 more. Tagged areas include Billing, Metering, Open Source, and Usage-Based.

Lago’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.6/100 thin ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
17 APIs
BillingMeteringOpen SourceUsage-Based

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 39.6/100 · thin
Contract Quality 16.4 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 4.6 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/lago: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 17

Individual APIs this provider publishes, each with its own machine-readable definition.

Lago Add_ons API

Everything about Add-on collection

Lago Analytics API

Everything about Analytics

Lago Billable_metrics API

Everything about Billable metric collection

Lago Coupons API

Everything about Coupon collection

Lago Credit_notes API

Everything about Credit notes collection

Lago Customers API

Everything about Customer collection

Lago Events API

Everything about Event collection

Lago Fees API

Everything about Fees

Lago Invoices API

Everything about Invoice collection

Lago Organizations API

Everything about Organization collection

Lago Payment_requests API

Everything about PaymentRequests

Lago Plans API

Everything about Plan collection

Lago Subscriptions API

Everything about Subscription collection

Lago Taxes API

Everything about Tax collection

Lago Wallets API

Everything about Wallet collection

Lago Webhook_endpoints API

Everything about Webhook Endpoints

Lago Webhooks API

Everything about Webhooks

Scroll for all 17

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Lago API documentation

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Lago Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Lago Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Lago Finops

FINOPS

Security Posture 4

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Lago Authentication

http · 1 scheme

SECURITY

Lago Domain Security

TLSv1.3 · DMARC

SECURITY

Lago Vulnerability Disclosure

disclosure policy published

SECURITY

Lago Trust Center

SOC 2, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Lago Agentic Access

93 operations · 54 acting · 2 human-in-the-loop

93 operations · 54 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 AgentSkills
AgentSkills
 LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: lago
name: Lago
description: Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing,
  at every stage of your company.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/lago.png
tags:
- Billing
- Metering
- Open Source
- Usage-Based
url: https://raw.githubusercontent.com/api-evangelist/lago/refs/heads/main/apis.yml
created: '2024-07-02'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: lago:lago-add-ons-api
  name: Lago Add_ons API
  description: Everything about Add-on collection
  humanURL: https://getlago.com/
  tags:
  - Add_ons
  properties:
  - type: OpenAPI
    url: openapi/lago-add-ons-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-analytics-api
  name: Lago Analytics API
  description: Everything about Analytics
  humanURL: https://getlago.com/
  tags:
  - Analytics
  properties:
  - type: OpenAPI
    url: openapi/lago-analytics-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-billable-metrics-api
  name: Lago Billable_metrics API
  description: Everything about Billable metric collection
  humanURL: https://getlago.com/
  tags:
  - Billable_metrics
  properties:
  - type: OpenAPI
    url: openapi/lago-billable-metrics-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-coupons-api
  name: Lago Coupons API
  description: Everything about Coupon collection
  humanURL: https://getlago.com/
  tags:
  - Coupons
  properties:
  - type: OpenAPI
    url: openapi/lago-coupons-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-credit-notes-api
  name: Lago Credit_notes API
  description: Everything about Credit notes collection
  humanURL: https://getlago.com/
  tags:
  - Credit_notes
  properties:
  - type: OpenAPI
    url: openapi/lago-credit-notes-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-customers-api
  name: Lago Customers API
  description: Everything about Customer collection
  humanURL: https://getlago.com/
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/lago-customers-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-events-api
  name: Lago Events API
  description: Everything about Event collection
  humanURL: https://getlago.com/
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/lago-events-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-fees-api
  name: Lago Fees API
  description: Everything about Fees
  humanURL: https://getlago.com/
  tags:
  - Fees
  properties:
  - type: OpenAPI
    url: openapi/lago-fees-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-invoices-api
  name: Lago Invoices API
  description: Everything about Invoice collection
  humanURL: https://getlago.com/
  tags:
  - Invoices
  properties:
  - type: OpenAPI
    url: openapi/lago-invoices-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-organizations-api
  name: Lago Organizations API
  description: Everything about Organization collection
  humanURL: https://getlago.com/
  tags:
  - Organizations
  properties:
  - type: OpenAPI
    url: openapi/lago-organizations-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-payment-requests-api
  name: Lago Payment_requests API
  description: Everything about PaymentRequests
  humanURL: https://getlago.com/
  tags:
  - Payment_requests
  properties:
  - type: OpenAPI
    url: openapi/lago-payment-requests-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-plans-api
  name: Lago Plans API
  description: Everything about Plan collection
  humanURL: https://getlago.com/
  tags:
  - Plans
  properties:
  - type: OpenAPI
    url: openapi/lago-plans-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-subscriptions-api
  name: Lago Subscriptions API
  description: Everything about Subscription collection
  humanURL: https://getlago.com/
  tags:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/lago-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-taxes-api
  name: Lago Taxes API
  description: Everything about Tax collection
  humanURL: https://getlago.com/
  tags:
  - Taxes
  properties:
  - type: OpenAPI
    url: openapi/lago-taxes-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-wallets-api
  name: Lago Wallets API
  description: Everything about Wallet collection
  humanURL: https://getlago.com/
  tags:
  - Wallets
  properties:
  - type: OpenAPI
    url: openapi/lago-wallets-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-webhook-endpoints-api
  name: Lago Webhook_endpoints API
  description: Everything about Webhook Endpoints
  humanURL: https://getlago.com/
  tags:
  - Webhook_endpoints
  properties:
  - type: OpenAPI
    url: openapi/lago-webhook-endpoints-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
- aid: lago:lago-webhooks-api
  name: Lago Webhooks API
  description: Everything about Webhooks
  humanURL: https://getlago.com/
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/lago-webhooks-api-openapi.yml
  - type: Documentation
    url: https://doc.getlago.com/
  - type: GettingStarted
    url: https://doc.getlago.com/docs/introduction
common:
- type: AgenticAccess
  url: agentic-access/lago-agentic-access.yml
- type: TrustCenter
  url: security/lago-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/lago-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/lago-domain-security.yml
- type: Authentication
  url: authentication/lago-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/getlago
- type: Website
  url: https://getlago.com/
- type: Documentation
  url: https://doc.getlago.com/
- type: GitHubOrganization
  url: https://github.com/getlago/lago
- name: Agent Skills
  url: https://github.com/getlago/inside-lago-voice-skill
  type: AgentSkills
- type: LlmsText
  url: https://getlago.com/llms.txt
- url: https://getlago.com/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com