Initialize session
POST/v1/session
Exchange session request ID for JWT auth token
Required headers:
X-Payload-Signature— HMAC-SHA256 hex signature of the request body
Request
Responses
- 200
- 400
- 403
- 404
- 5XX
Successful Response
Invalid request — malformed body or missing session_request_id.
HMAC signature verification failed — the X-Payload-Signature header is missing or does not match.
Session request ID not found or expired.
Server error — the platform retries up to 3 times with exponential backoff before treating the request as failed.