Sign

POST /v1/sign

Signs an arbitrary message using the agent's private key, returning a JSON Web Signature (JWS).

Auth: Authorization: Bearer AND badge in request body (both required)

Timeout: 10 seconds

Request

curl -X POST https://identity.sentryagent.ai/v1/sign \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer eyJhbGciOiJFZERTQSIs..." \
  -d '{
    "message": "Hello, I am agent XYZ",
    "badge": "eyJhbGciOiJFZERTQSIs..."
  }'

Response

{
  "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6...",
  "did": "did:sentryagent:abc123",
  "signed_at": "2026-06-01T10:00:00.000Z"
}

The jws can be verified by any party using the agent's public key from GET /v1/jwks.