PostEx

PostEx Reference API

Operational cities and merchant address reference data

Documentation GitHub OpenAPI

Operations 3

GET /v1/get-merchant-address Get merchant pickup addresses #

GET /v2/get-operational-city List operational cities (v2) #

GET /v1/get-operational-city List operational cities (v1) #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: PostEx Merchant Order Integration Reference API
  description: PostEx is a Pakistani e-commerce logistics and courier platform offering cash-on-delivery fulfilment with instant upfront payments.
  version: '3'
  x-api-evangelist-note: Servers, paths, auth model, and error envelope verified against the live api.postex.pk host on 2026-07-20. No provider-published OpenAPI/Swagger was found (/v3/api-docs, /swagger-ui.html both 404).
  contact:
    name: PostEx Support
    url: https://postex.pk
    email: info@postex.pk
servers:
- url: https://api.postex.pk/services/integration/api/order
  description: PostEx merchant Order Integration API (production)
security:
- merchantToken: []
tags:
- name: Reference
  description: Operational cities and merchant address reference data
paths:
  /v1/get-merchant-address:
    get:
      operationId: getMerchantAddress
      tags:
      - Reference
      summary: Get merchant pickup addresses
      description: Return the pickup / return addresses registered for the authenticated merchant, including each address code used when creating orders. Requires the merchant `token` header.
      responses:
        '200':
          description: Merchant registered addresses
        '400':
          $ref: '#/components/responses/BadRequest'
  /v2/get-operational-city:
    get:
      operationId: getOperationalCityV2
      tags:
      - Reference
      summary: List operational cities (v2)
      description: List the cities PostEx operates in, used to populate the destination city when creating an order (latest version). Requires the merchant `token` header.
      responses:
        '200':
          description: List of operational cities
        '400':
          $ref: '#/components/responses/BadRequest'
  /v1/get-operational-city:
    get:
      operationId: getOperationalCityV1
      tags:
      - Reference
      summary: List operational cities (v1)
      description: List the cities PostEx operates in (original version). Requires the merchant `token` header.
      responses:
        '200':
          description: List of operational cities
        '400':
          $ref: '#/components/responses/BadRequest'
components:
  schemas:
    Error:
      type: object
      description: PostEx / Spring Boot error envelope returned on failed requests (Content-Type application/json). Not RFC 9457 problem+json.
      properties:
        timestamp:
          type: string
          format: date-time
          example: 2026-07-21T07:35:03.040+0500
        status:
          type: integer
          example: 400
        error:
          type: string
          example: Bad Request
        message:
          type: string
          example: Missing request header 'token' for method parameter of type String
        path:
          type: string
          example: /api/order/v1/get-merchant-address
  responses:
    BadRequest:
      description: Bad request (e.g. missing `token` header or invalid parameters)
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    merchantToken:
      type: apiKey
      in: header
      name: token
      description: Merchant API token issued from the PostEx merchant dashboard, supplied in the `token` request header on every call.