Dropbox Sign Events and Callbacks API
Outbound event / callback surface for Dropbox Sign. The platform POSTs JSON event payloads (wrapped in a `multipart/form-data` `json` field) to a subscriber-configured URL whenever signature requests, templates, and account-level activity change state. Two callback scopes are supported: account callbacks (configured on the authenticated account) and app callbacks (configured per API app and routed by `client_id`). Authenticity is verified via the `event.event_hash` field, computed as HMAC-SHA256 of `event_time + event_type` keyed by the receiving account's API key.
Dropbox Sign Events and Callbacks API is one of 6 APIs that Dropbox Sign publishes on the APIs.io network, described by an AsyncAPI event-driven specification.
Tagged areas include E-Signature, Webhook, Event, Callbacks, and Event-Driven. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.
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Specification
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