BOTCHA

{
  "name": "BOTCHA",
  "description": "Reverse CAPTCHA for AI agents. Prove you're a bot. Humans need not apply.",
  "url": "https://botcha.ai",
  "version": "0.24.0",
  "documentationUrl": "https://botcha.ai/docs",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "authentication": [
    {
      "schemes": [
        "Bearer"
      ],
      "description": "BOTCHA access token \u2014 obtain via POST /v1/token/verify after solving a challenge"
    }
  ],
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "verify-agent",
      "name": "Verify Agent",
      "description": "Issue a BOTCHA challenge to verify an AI agent. Returns a signed access token on success.",
      "tags": [
        "verification",
        "identity",
        "challenge"
      ],
      "examples": [
        "GET /v1/token?app_id=<app_id> \u2192 solve SHA256 challenge \u2192 POST /v1/token/verify"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "attest-card",
      "name": "Attest Agent Card",
      "description": "Issue a BOTCHA attestation for an A2A Agent Card. The attestation JWT is embedded into the card's extensions.botcha_attestation field, making BOTCHA the trust oracle for the A2A ecosystem.",
      "tags": [
        "attestation",
        "a2a",
        "trust",
        "verification"
      ],
      "examples": [
        "POST /v1/a2a/attest with an A2A Agent Card JSON \u2192 attested card with extensions.botcha_attestation"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "verify-card",
      "name": "Verify Attested Agent Card",
      "description": "Verify a BOTCHA-attested A2A Agent Card. Checks signature, card hash integrity, and expiration.",
      "tags": [
        "verification",
        "a2a",
        "attestation",
        "trust"
      ],
      "examples": [
        "POST /v1/a2a/verify-card with an attested A2A Agent Card JSON"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "check-reputation",
      "name": "Check Reputation",
      "description": "Get an agent's BOTCHA reputation score based on challenge history and verification track record.",
      "tags": [
        "reputation",
        "trust",
        "score"
      ],
      "examples": [
        "GET /v1/reputation/:agent_id"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "extensions": {
    "botcha": {
      "challenge_endpoint": "https://botcha.ai/v1/token",
      "verify_endpoint": "https://botcha.ai/v1/token/verify",
      "attest_endpoint": "https://botcha.ai/v1/a2a/attest",
      "verify_card_endpoint": "https://botcha.ai/v1/a2a/verify-card",
      "registry_endpoint": "https://botcha.ai/v1/a2a/cards",
      "openapi": "https://botcha.ai/openapi.json",
      "ai_txt": "https://botcha.ai/ai.txt"
    }
  }
}