Computop

Computop API

Computop API as documented publicly: 5 operations. Contract generated from the documentation by API Evangelist (2026-10-28); not the provider's own document.

GitHub OpenAPI

Operations 5

POST /ExternalServices/paypalorders.aspx POST /ExternalServices/paypalorders.aspx #
POST /cbPayPal.aspx Callback endpoint for PayPal payment confirmation handling. #
POST /direct.aspx POST /direct.aspx #
POST /paypalComplete.aspx Complete a PayPal V2 payment order with method 'shortcut'. #
POST /paypalvault.aspx Execute PayPal Vault transactions using stored payment methods or billing agreements. #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/computop/openapi/_ae-authored/computop-openapi-generated.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/computop/json-schema/computop-post-paypalcomplete-aspx-request-schema.json
📊
JSONSchema
https://artifacts.apis.io/computop/json-schema/computop-post-paypalvault-aspx-request-schema.json
📊
JSONSchema
https://artifacts.apis.io/computop/json-schema/computop-post-paypalcomplete-aspx-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/computop/json-schema/computop-post-paypalvault-aspx-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/computop/json-schema/computop-post-cbpaypal-aspx-request-schema.json

Other Resources

🔗
APIsJSON
https://artifacts.apis.io/computop/apis.yml

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OpenAPI Specification

computop-openapi-generated.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Computop API
  version: '2026-10-28'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-28: 5 operation(s) read from 4 public documentation page(s) (each operation
    names its page in x-source). This is not the provider''s published contract; Computop has published no machine-readable contract that the
    pipeline could find. Engine: anthropic.'
  x-evidence-tiers:
    code-example: 2
    documentation: 3
    pages-with-code: 4
    pages-read: 4
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-28'
  x-generator: generate-contract-from-docs.py
  x-engine: anthropic
  x-sources:
  - https://developer.computop.com/x/7f_BAQ
  - https://developer.computop.com/x/_ZIhAg
  - https://developer.computop.com/x/jvuBAQ
  - https://developer.computop.com/x/_IM3Ag
servers:
- url: https://www.computop-paygate.com
paths:
  /ExternalServices/paypalorders.aspx:
    post:
      operationId: post_ExternalServices_paypalorders_aspx
      tags:
      - Externalservices
      summary: POST /ExternalServices/paypalorders.aspx
      x-source: https://developer.computop.com/x/_ZIhAg
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: javascript
        snippet: "fetch('https://www.computop-paygate.com/ExternalServices/paypalorders.aspx', {\n method: 'POST',\n body: params\n })"
  /cbPayPal.aspx:
    post:
      operationId: post_cbPayPal_aspx
      tags:
      - Cbpaypal
      summary: Callback endpoint for PayPal payment confirmation handling.
      x-source: https://developer.computop.com/x/_IM3Ag
      parameters:
      - name: rd
        in: query
        required: true
        schema:
          type: string
        description: Base64-encoded redirect data containing MerchantId, PayId, and OrderId
      - name: ua
        in: query
        required: false
        schema:
          type: string
        description: User action indicator (cancel)
      - name: token
        in: query
        required: false
        schema:
          type: string
        description: Order ID token
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostCbpaypalAspxRequest'
      responses:
        '302':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostCbpaypalAspxResponse'
      x-evidence:
        kind: documentation
  /direct.aspx:
    post:
      operationId: post_direct_aspx
      tags:
      - Direct
      summary: POST /direct.aspx
      x-source: https://developer.computop.com/x/7f_BAQ
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: http
        snippet: 'POST /direct.aspx HTTP/1.1

          Host: www.computop-paygate.com

          Connection: Close

          Content-type: application/x-www-form-urlencoded

          Content-Length: 287

          MerchantID=YourMerchantID&Len=162&Data=E98D40FFFD622C5FE7414F73539A1852C2CE7C8B09D3E876F52CBECF59EC63E9B8AA0130FA92F65964E3EEE74DF217E27FA2E194B9968DE9ABAE3B1F44B5485EFE3EF2597C7395BADBAD4340CDFD000DD57129EEFAA0BE904A7E2339DCF9363DA6ACDBE5EF98E169FC3092B16'
  /paypalComplete.aspx:
    post:
      operationId: post_paypalComplete_aspx
      tags:
      - Paypalcomplete
      summary: Complete a PayPal V2 payment order with method 'shortcut'.
      x-source: https://developer.computop.com/x/_ZIhAg
      parameters:
      - name: MerchantID
        in: query
        required: true
        schema:
          type: string
        description: MerchantID, assigned by payment service provider
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostPaypalcompleteAspxRequest'
      responses:
        '201':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostPaypalcompleteAspxResponse'
      x-evidence:
        kind: documentation
  /paypalvault.aspx:
    post:
      operationId: post_paypalvault_aspx
      tags:
      - Paypalvault
      summary: Execute PayPal Vault transactions using stored payment methods or billing agreements.
      x-source: https://developer.computop.com/x/_IM3Ag
      parameters:
      - name: MerchantID
        in: query
        required: true
        schema:
          type: string
        description: Merchant ID
      - name: Len
        in: query
        required: true
        schema:
          type: string
        description: Length of unencrypted Blowfish string
      - name: Data
        in: query
        required: true
        schema:
          type: string
        description: Blowfish encrypted string containing transaction parameters
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostPaypalvaultAspxRequest'
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostPaypalvaultAspxResponse'
      x-evidence:
        kind: documentation
components:
  schemas:
    PostCbpaypalAspxRequest:
      type: object
      properties:
        MerchantId:
          type: string
          description: Merchant ID
        PayId:
          type: string
          description: Payment ID from PayPal order creation
        OrderId:
          type: string
          description: Order ID
      required:
      - MerchantId
      - PayId
      - OrderId
    PostCbpaypalAspxResponse:
      type: object
      properties:
        redirect:
          type: string
          description: Redirect to success or failure page based on payment status
    PostPaypalcompleteAspxRequest:
      type: object
      properties:
        MerchantID:
          type: string
          description: MerchantID, assigned by payment service provider
        TransID:
          type: string
          description: TransactionID provided by you which should be unique for each payment
        Amount:
          type: number
          description: Amount in the smallest currency unit (e.g. EUR Cent)
        Currency:
          type: string
          description: Currency, three letters DIN / ISO 4217, e.g. EUR, USD, GBP
        refnr:
          type: string
          description: Merchant's unique reference number
        PayID:
          type: string
          description: ID assigned by Paygate for the payment
        FirstName:
          type: string
          description: Either the first name only or first and second name if a company name is used as a delivery address
        LastName:
          type: string
          description: Surname or name of the company of the delivery address
        AddrStreet:
          type: string
          description: Street in the delivery address
        AddrStreet2:
          type: string
          description: 2. Street name in the delivery address
        AddrCity:
          type: string
          description: Town/city in the delivery address
        AddrState:
          type: string
          description: Federal state of the delivery address
        AddrZip:
          type: string
          description: Postcode in the delivery address
        AddrCountryCode:
          type: string
          description: Country code of the delivery country
        Phone:
          type: string
          description: Telephone number
      required:
      - MerchantID
      - TransID
      - Amount
      - Currency
      - PayID
    PostPaypalcompleteAspxResponse:
      type: object
      properties:
        mid:
          type: string
          description: MerchantID, assigned by payment service provider
        PayID:
          type: string
          description: ID assigned by payment platform for the payment
        XID:
          type: string
          description: ID for all single transactions assigned by payment platform
        TransID:
          type: string
          description: TransactionID provided by you which should be unique for each payment
        Status:
          type: string
          description: Payment status
        Code:
          type: string
          description: Error code according to Response Codes
        Description:
          type: string
          description: Further details about the payment result
    PostPaypalvaultAspxRequest:
      type: object
      properties:
        MerchantID:
          type: string
          description: Merchant ID, must also be passed unencrypted
        TransID:
          type: string
          description: Unique transaction ID
        Amount:
          type: string
          description: Amount in smallest currency unit
        Currency:
          type: string
          description: Currency code (three characters ISO 4217)
        BillingAgreementID:
          type: string
          description: Billing Agreement ID or Vault ID from previous PayPal transaction
        MAC:
          type: string
          description: HMAC with SHA-256 algorithm
        URLSuccess:
          type: string
          description: Complete URL called when payment is successful
        URLFailure:
          type: string
          description: Complete URL called when payment fails
        URLNotify:
          type: string
          description: Complete URL to notify the shop about payment status
      required:
      - MerchantID
      - TransID
      - Amount
      - Currency
      - BillingAgreementID
      - MAC
      - URLSuccess
      - URLFailure
      - URLNotify
    PostPaypalvaultAspxResponse:
      type: object
      properties:
        mid:
          type: string
          description: Merchant ID
        PayID:
          type: string
          description: Payment ID assigned by payment platform
        XID:
          type: string
          description: Transaction ID assigned by payment platform
        TransID:
          type: string
          description: Merchant's unique transaction ID
        Status:
          type: string
          description: OK or FAILED
        Code:
          type: string
          description: Error code
        MAC:
          type: string
          description: HMAC with SHA-256 algorithm
tags:
- name: Cbpaypal
- name: Direct
- name: Externalservices
- name: Paypalcomplete
- name: Paypalvault