Agent Zero A2A Agent

Agent2Agent surface: an agent card served from https://onchainagentintel.io/.well-known/agent-card.json (mirrored on www and api hosts) naming the JSON-RPC endpoint https://api.onchainagentintel.io/a2a/v1 and sixteen skills — x402 settlement, the free MCP server, the nine paid intel services, smart-contract audit, ERC-8183 evaluation and the free public surfaces — under a required a2a-x402 v0.2 payment extension settled to a Safe on Base or Ethereum. The card carries capabilities as an object and skills as an array but no top-level protocolVersion, so it grades flavored against A2A 1.0.0; the legacy /.well-known/agent.json declares protocolVersion 0.3.0. Streaming and push notifications are declared unsupported.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/agent-zero-a2a-agent"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: onchainagentintel-io:agent-zero-a2a-agent
name: Agent Zero A2A Agent
description: 'Agent2Agent surface: an agent card served from https://onchainagentintel.io/.well-known/agent-card.json
  (mirrored on www and api hosts) naming the JSON-RPC endpoint https://api.onchainagentintel.io/a2a/v1
  and sixteen skills — x402 settlement, the free MCP server, the nine paid intel services, smart-contract
  audit, ERC-8183 evaluation and the free public surfaces — under a required a2a-x402 v0.2 payment extension
  settled to a Safe on Base or Ethereum. The card carries capabilities as an object and skills as an array
  but no top-level protocolVersion, so it grades flavored against A2A 1.0.0; the legacy /.well-known/agent.json
  declares protocolVersion 0.3.0. Streaming and push notifications are declared unsupported.'
humanURL: https://onchainagentintel.io/docs
baseURL: https://api.onchainagentintel.io/a2a/v1
tags:
- A2A
- Agent-Native
- x402
tags_raw:
- A2A
- agent-native
- x402
properties:
- type: AgentCard
  url: a2a/onchainagentintel-io-a2a.yml
- type: AgentCard
  name: A2A Agent Card (provider-hosted)
  url: https://onchainagentintel.io/.well-known/agent-card.json