# Agent Zero Public API

**Canonical:** https://apis.io/apis/onchainagentintel-io/onchainagentintel-io-public-api/  
**Provider:** Agent Zero — https://apis.io/providers/onchainagentintel-io/  
**Base URL:** https://api.onchainagentintel.io  
**Documentation:** https://onchainagentintel.io/docs

Agent Zero Public API is one of 4 APIs that [Agent Zero](https://apis.io/providers/onchainagentintel-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Public. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and a changelog.

Free endpoints — no payment, no auth.

## Operations (15)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/public/stats` | Aggregate ecosystem stats (counts only, no PII) |
| GET | `/v1/public/leaderboards` | Free leaderboards (top MCP / OpenAPI / most-recent) |
| GET | `/v1/public/agent/{chain}/{agent_id}` | Free counts-only detail for one agent |
| GET | `/v1/public/capability/{slug}` | Stamped-readiness agents matching a capability slug |
| GET | `/v1/public/chain/{chain}` | Stamped-readiness agents on a chain (base\|ethereum) |
| GET | `/v1/public/badge/{chain}/{agent_id}.svg` | Embeddable ERC-8004 verification badge (SVG) |
| GET | `/v1/public/datasets` | Machine-readable index of every citable dataset we publish (CC BY 4.0)… |
| GET | `/v1/public/datasets/{slug}` | One citable dataset descriptor by slug (commerce-backed\|chain-liveness\|signpost… |
| GET | `/v1/public/openapi.json` | Curated OpenAPI 3.1 spec (public + paid endpoints) |
| GET | `/v1/public/docs` | Human-readable API docs (Redoc renders the OpenAPI spec) |
| GET | `/agent.json` | Agent Zero's ERC-8004 tokenURI manifest (JSON) |
| GET | `/.well-known/agent-card.json` | A2A/ERC-8004 AgentCard (well-known path) |
| GET | `/.well-known/agents.json` | Plural A2A/ERC-8004 multi-agent manifest — array form enumerated by agent… |
| POST | `/mcp` | Free MCP server (4 read-only tools + x402 upsell) |
| GET | `/.well-known/x402.json` | x402 v2 payment-discovery manifest — every paid endpoint's accepts[], pricing… |

## Machine-readable artifacts (15)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/openapi/onchainagentintel-io-public-api-openapi.yml
- **Documentation** — https://onchainagentintel.io/docs
- **APIReference** — https://api.onchainagentintel.io/v1/public/docs
- **GettingStarted** — https://onchainagentintel.io/docs#quickstart
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/authentication/onchainagentintel-io-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/conventions/onchainagentintel-io-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/conventions/onchainagentintel-io-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/errors/onchainagentintel-io-problem-types.yml
- **Lifecycle** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/lifecycle/onchainagentintel-io-lifecycle.yml
- **ChangeLog** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/changelog/onchainagentintel-io-changelog.yml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/conformance/onchainagentintel-io-conformance.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/data-model/onchainagentintel-io-data-model.yml
- **Components** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/components/onchainagentintel-io-components.yml
- **Plans** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/plans/onchainagentintel-io-plans-pricing.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/onchainagentintel-io/refs/heads/main/rate-limits/onchainagentintel-io-rate-limits.yml

## Other Agent Zero APIs (3)

- [Agent Zero MCP Server](https://apis.io/apis/onchainagentintel-io/agent-zero-mcp-server/)
- [Agent Zero A2A Agent](https://apis.io/apis/onchainagentintel-io/agent-zero-a2a-agent/)
- [Agent Zero Paid X402 API](https://apis.io/apis/onchainagentintel-io/onchainagentintel-io-paid-x402-api/)

## Tags

Public

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/onchainagentintel-io/onchainagentintel-io-public-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/onchainagentintel-io/.