API reference · CAIN Guard

Register A2A Card

POST /fabric/guard/a2a/register

Last reviewed 2026-10-02

POST /fabric/guard/a2a/register

Request body

A2ARegisterRequest (required)

Responses

Try it

The request goes from your browser straight to this site. Your key is not stored unless you tick the box, and then only in this tab's session storage.

Code

curl -sS -X POST 'https://cainstudio.online/fabric/guard/a2a/register' \
  -H "X-API-Key: $CAIN_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"agent_id": "agent-id", "capabilities": ["capabilities"]}'

import json, os, urllib.request

req = urllib.request.Request('https://cainstudio.online/fabric/guard/a2a/register', method='POST',
    headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
    data=json.dumps({
      "agent_id": "agent-id",
      "capabilities": [
        "capabilities"
      ]
    }).encode())
with urllib.request.urlopen(req, timeout=60) as r:
    print(r.status, json.load(r))

const res = await fetch("https://cainstudio.online/fabric/guard/a2a/register", {
  method: "POST",
  headers: {
    "X-API-Key": process.env.CAIN_API_KEY!,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "agent_id": "agent-id",
    "capabilities": [
      "capabilities"
    ]
  }),
});
console.log(res.status, await res.json());

Schemas used

A2ARegisterRequest · HTTPValidationError · ValidationError

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