Webhooks
Fetch (creating if needed) the HMAC secret used to sign deliveries to you
GET
/v1/webhooks/secretResponses
200Verify x-cofferline-signature (t=<unix>,v1=<hmac>) as HMAC-SHA256 over
${t}.${event_id}.${raw_body}; reject a timestamp older than ~5 minutessecretstring(required)
Example
curl -X GET https://api.cofferline.com/v1/webhooks/secret \ -H "authorization: Bearer $TOKEN"
Dead-lettered deliveries for this account (at-least-once exhausted retries)
GET
/v1/webhooks/failuresMost recent first. Pass ?cursor=<last seen id> to page older failures — a busy incident can dead-letter more than one page (#153), and a truncated tail must be walkable.
Parameters
cursorin query,integer,nulllimitin query,integer
Responses
200Most recent first
failuresobject[](required)next_cursorinteger,null(required)
Example
curl -X GET https://api.cofferline.com/v1/webhooks/failures \ -H "authorization: Bearer $TOKEN"