Dfns

Dfns Approvals API

Approval workflow driven by the policy engine.

Documentation GitHub OpenAPI

Operations 3

GET /v2/policy-approvals List approvals #

GET /v2/policy-approvals/{approvalId} Get an approval by id #

POST /v2/policy-approvals/{approvalId}/decisions Create an approval decision (approve or deny) #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Dfns Approvals API
  description: Representative OpenAPI description of the Dfns wallet-as-a-service and MPC key-management REST API.
  contact:
    name: Dfns Support
    url: https://www.dfns.co/
  termsOfService: https://www.dfns.co/terms-of-service
  version: '1.0'
servers:
- url: https://api.dfns.io
  description: Dfns production REST API (Europe / default)
- url: https://api.uae.dfns.io
  description: Dfns production REST API (UAE region)
security:
- BearerAuth: []
  AppId: []
tags:
- name: Approvals
  description: Approval workflow driven by the policy engine.
paths:
  /v2/policy-approvals:
    get:
      operationId: listApprovals
      tags:
      - Approvals
      summary: List approvals
      responses:
        '200':
          description: A list of approvals awaiting or resolved by decision makers.
          content:
            application/json:
              schema:
                type: object
                properties:
                  items:
                    type: array
                    items:
                      $ref: '#/components/schemas/Approval'
  /v2/policy-approvals/{approvalId}:
    get:
      operationId: getApproval
      tags:
      - Approvals
      summary: Get an approval by id
      parameters:
      - in: path
        name: approvalId
        required: true
        schema:
          type: string
      responses:
        '200':
          description: The approval.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Approval'
  /v2/policy-approvals/{approvalId}/decisions:
    post:
      operationId: createApprovalDecision
      tags:
      - Approvals
      summary: Create an approval decision (approve or deny)
      description: Records an Approved or Denied decision on a pending approval. Requires a User Action Signature.
      security:
      - BearerAuth: []
        AppId: []
        UserAction: []
      parameters:
      - in: path
        name: approvalId
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - value
              properties:
                value:
                  type: string
                  enum:
                  - Approved
                  - Denied
                reason:
                  type: string
      responses:
        '200':
          description: The updated approval.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Approval'
components:
  schemas:
    Approval:
      type: object
      properties:
        id:
          type: string
        activityId:
          type: string
        status:
          type: string
          enum:
          - Pending
          - Approved
          - Denied
          - AutoApproved
          - Expired
        decisions:
          type: array
          items:
            type: object
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Access token issued to a service account or a logged-in user. Sent as `Authorization: Bearer <token>`.'
    AppId:
      type: apiKey
      in: header
      name: X-DFNS-APPID
      description: The Dfns application (app) id the request is made on behalf of.
    UserAction:
      type: apiKey
      in: header
      name: X-DFNS-USERACTION
      description: A User Action Signature token proving the caller cryptographically signed the request payload. Required on sensitive mutating operations (transfers, signature generation, key/policy/permission changes).