Fulfill a requirement for a payee engagement

post

https://api.wingspan.app/v3/payments/payees/{payeeId}/engagements/{payeeEngagementId}/requirements/{id}/fulfill

Mark a specific Requirement instance as fulfilled for a PayeeEngagement, advancing it toward the PayerCompleted or Completed state.

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Path Params

payeeId

string

required

^[A-Za-z0-9_.]{22,80}$

payeeEngagementId

string

required

Payee engagement ID (concrete assignment)

string

required

Requirement instance ID

Body Params

Body for POST .../requirements/{id}/fulfill. Carries structured fulfillment data plus the external pass/fail result and verifier provenance.

fulfillmentData

object

Type-specific structured result from the verifier or fulfilling party.

result

string

enum

required

External verifier's required pass/fail outcome.

Allowed:

verification

object

External verifier provenance.

notes

string

Optional notes from the fulfilling party.

Headers

Idempotency-Key

string

length between 1 and 255

^[\x21-\x7e]{1,255}$

Optional idempotency token for authenticated POST and PATCH requests. Reusing the same key and body returns the cached response for 24 hours, except credential operations that explicitly document a 409 because one-time secret material is never cached; reusing it with a different body returns 409 IdempotencyKeyConflict. Use 1-255 printable ASCII characters.

X-Wingspan-Account

string

^(?:[A-Za-z0-9_.]{22}|[a-f0-9]{24})$

Select the Account for an Account-scoped operation. A direct ServiceAccount API key MUST supply this header, and the target must be within the ServiceAccount owner's or Authorization grant's Account boundary. A Person bearer may select an Account on which it has an active Stakeholder, and an Account session may select its bound Account (or a descendant only when the session explicitly includes descendants).

string

enum

Defaults to application/json

Generated from available response content types

Allowed:

Responses

Language

Credentials

Bearer

JWT

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Response

Click Try It! to start a request and see the response here! Or choose an example:

application/json

application/problem+json

200Requirement fulfilled

400Malformed request syntax

401Unauthenticated

403Forbidden

404Resource not found

422Validation error

501This operation is not yet available