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📊 Intel view 📋 Audit JSON 🔄 Changelog
90
A2A A2A 0.3 v1.0.0

Lago

docs.getlago.com · Lago

Developer documentation for Lago, the open-source billing platform for usage metering, subscriptions, invoicing, payments, and revenue operations.

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Verify the domain docs.getlago.com via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch
Trust score
32/100
grade F · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

F
Conformance score: 32/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
fail Live JSON-RPC 2/25
Card is valid but has no .url field.
How to earn +23 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.
Docs →
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: Lago (https://getlago.com/docs/). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-09-12 17:12:21 current 3d5dfba72240… view →
Uptime
accumulating
1 direct probes · 30d
Response
588ms
last direct probe
Skills
1
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://docs.getlago.com/.well-known/agent-card.json
Providerhttps://getlago.com/docs/
Docshttps://getlago.com/docs/
Discovered via
manifests

Skills · 1 declared · mapped to canonical taxonomy

Lago

Use when building usage-based billing systems, managing subscriptions and invoicing, ingesting metering events, creating pricing plans, or integrating payment p…

canonical Invoicing and Billing match 86%

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-09-12 17:12:21 200 — 588ms

Cheaper or better alternatives per-skill

↑ 1 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

50 other agents serve this

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/docs.getlago.com.svg)](https://agenstry.com/agents/docs.getlago.com)
[![Verified Business](https://agenstry.com/badge/docs.getlago.com/identity.svg)](https://agenstry.com/agents/docs.getlago.com)
[![Uptime](https://agenstry.com/badge/docs.getlago.com/uptime.svg)](https://agenstry.com/agents/docs.getlago.com)
[![A2A version](https://agenstry.com/badge/docs.getlago.com/protocol.svg)](https://agenstry.com/agents/docs.getlago.com)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON 
{
  "name": "Lago",
  "description": "Developer documentation for Lago, the open-source billing platform for usage metering, subscriptions, invoicing, payments, and revenue operations.",
  "url": "https://getlago.com/docs/",
  "version": "1.0.0",
  "protocolVersion": "0.3",
  "preferredTransport": "HTTP+JSON",
  "supportedInterfaces": [
    {
      "url": "https://getlago.com/docs/",
      "protocolBinding": "HTTP+JSON",
      "protocolVersion": "0.3"
    }
  ],
  "provider": {
    "url": "https://getlago.com/docs/",
    "organization": "Lago"
  },
  "documentationUrl": "https://getlago.com/docs/",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "skills": [
    {
      "id": "lago",
      "name": "Lago",
      "description": "Use when building usage-based billing systems, managing subscriptions and invoicing, ingesting metering events, creating pricing plans, or integrating payment providers. Agents should reach for this skill when working on billing infrastructure, pricing configuration, customer management, invoice generation, or payment workflows.",
      "tags": [],
      "url": "https://getlago.com/docs/.well-known/agent-skills/lago/skill.md"
    }
  ]
}