Key0
key0.ai
· Key0
Key0 is a TypeScript SDK that lets API providers sell APIs, data, goods, or services to AI agents — with built-in USDC payments, zero proxying, and no architectural changes.
key0.ai 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.
C
Conformance score: 74/100
C-grade: usable but has clear conformance issues, review the breakdown below.
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agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-06-05 05:27:45 current | 11d069fcdc8d… |
view → |
Try it
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Endpoints
| Agent card | https://key0.ai/.well-known/agent.json |
| Provider | https://key0.ai |
Skills · 3 declared · mapped to canonical taxonomy
Returns Key0 identity and description. What Key0 is and how it helps AI agents pay and access APIs.
Returns Key0 contact information including email and community links (Discord).
Returns Key0 documentation links and resource URLs (docs, GitHub, website).
Health · last 12 probes
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[](https://agenstry.com/agents/key0.ai) [](https://agenstry.com/agents/key0.ai) [](https://agenstry.com/agents/key0.ai) [](https://agenstry.com/agents/key0.ai)
Audit-grade evidence bundle
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our JWKS. See the methodology.
Raw agent card JSON
{
"name": "Key0",
"description": "Key0 is a TypeScript SDK that lets API providers sell APIs, data, goods, or services to AI agents \u2014 with built-in USDC payments, zero proxying, and no architectural changes.",
"protocolVersion": "0.3.0",
"version": "0.1.0",
"url": "https://key0.ai/a2a/jsonrpc",
"provider": {
"organization": "Key0",
"url": "https://key0.ai"
},
"capabilities": {
"pushNotifications": false
},
"defaultInputModes": [
"text"
],
"defaultOutputModes": [
"text"
],
"skills": [
{
"id": "get-key0-info",
"name": "Get Key0 Info",
"description": "Returns Key0 identity and description. What Key0 is and how it helps AI agents pay and access APIs.",
"tags": [
"identity",
"info",
"open-source"
],
"examples": [
"What is Key0?",
"Tell me about Key0"
],
"inputModes": [
"text"
],
"outputModes": [
"text"
]
},
{
"id": "contact-key0",
"name": "Contact Key0",
"description": "Returns Key0 contact information including email and community links (Discord).",
"tags": [
"contact",
"support",
"community"
],
"examples": [
"How do I contact Key0?",
"Where is the Key0 community?"
],
"inputModes": [
"text"
],
"outputModes": [
"text"
]
},
{
"id": "get-key0-docs",
"name": "Get Key0 Docs",
"description": "Returns Key0 documentation links and resource URLs (docs, GitHub, website).",
"tags": [
"docs",
"links",
"resources"
],
"examples": [
"Where are the Key0 docs?",
"Give me Key0 links"
],
"inputModes": [
"text"
],
"outputModes": [
"text"
]
}
],
"additionalInterfaces": [
{
"url": "https://key0.ai/a2a/jsonrpc",
"transport": "JSONRPC"
},
{
"url": "https://key0.ai/a2a/rest",
"transport": "HTTP+JSON"
}
]
}