Errors
Connect server systems, send contacts and orders, and identify signed-in widget users securely.
Authentication and scopes
Keep the API key on your server. Send only a short-lived identity token to the browser.
HTTP/1.1 409 Conflict
Content-Type: application/problem+json
{"error":"Idempotency-Key was already used for another request"}Rate limits and idempotency
120 requests / minute · HTTP 429 · Retry-After · Idempotency-Key 24h
Examples
curl · JavaScript · PHP
Security
Keep the API key on your server. Send only a short-lived identity token to the browser.