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OpenAPI Specification

openapi: 3.2.0
info:
  title: Slope v4 Auth User Links API
  description: 'Slope v4 API - embedded credit and B2B buy-now-pay-later (BNPL) infrastructure: customers, orders/checkout, adjustments (refunds), repayments, payout accounts, prescreens, transactions, and sandbox simulation.'
  version: 1.0.0
  contact:
    name: Slope Developer Support
    url: https://developers.slopepay.com/
    email: support@slopepay.com
servers:
- url: https://api.slopepay.com
  description: production
- url: https://api.sandbox.slopepay.com
  description: sandbox
tags:
- name: User Links
paths:
  /v4/user-links/{linkToken}/access-token:
    post:
      description: Given a `linkToken`, generate a short-lived access token used to embed an authenticated user your application.
      parameters:
      - name: linkToken
        required: true
        in: path
        schema:
          type: string
      responses:
        '201':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserAccessTokenV4ResponseDto'
      security:
      - apiKey: []
      summary: Generate an access token
      tags:
      - User Links
      operationId: createUserLinkAccessToken
  /v4/user-links/{linkToken}/iframe-url:
    post:
      description: Generate a URL that can be used to embed logged in user data in an iframe.
      parameters:
      - name: linkToken
        required: true
        in: path
        schema:
          type: string
      - name: page
        required: true
        in: query
        schema:
          type: string
      responses:
        '201':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserIframeUrlV4ResponseDto'
      security:
      - apiKey: []
      summary: Generate an iframe URL for a user with link token
      tags:
      - User Links
      operationId: createUserLinkIframeUrl
components:
  schemas:
    UserAccessTokenV4ResponseDto:
      type: object
      properties:
        accessToken:
          type: string
          description: The access token used to perform API calls on behalf of the user
        expiresAt:
          format: date-time
          type: string
          description: The expiration date of the access token
        userId:
          type: string
          description: The user ID of the authenticated user
        userEmail:
          type: string
          description: The user email of the authenticated user
        customerId:
          type: string
          description: The customer ID of the authenticated user
        merchantId:
          type: string
          description: The merchant ID of the authenticated user
      required:
      - accessToken
      - expiresAt
      - userId
      - userEmail
      - customerId
      - merchantId
    UserIframeUrlV4ResponseDto:
      type: object
      properties:
        iframeUrl:
          type: string
          description: The iframe URL used to embed an authenticated user in your application
      required:
      - iframeUrl
  securitySchemes:
    apiKey:
      type: http
      scheme: basic
      description: Basic HTTP authentication using the base64 hash of `public_key:secret_key`.
externalDocs:
  description: Slope Developer Hub
  url: https://developers.slopepay.com/