> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zerocash.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# Opay Charge

> Accept payments via OPay. Charges are processed asynchronously; some transactions require a redirect to complete authentication before funds are captured.



## OpenAPI

````yaml POST /api/b2b/fiat/deposit/opay
openapi: 3.1.0
info:
  title: Zerocash API
  version: 1.0.0
  description: >-
    The Zerocash API lets you collect payments (charges) and disburse funds
    (payouts) across supported markets through a single, unified integration.
servers:
  - url: https://api.zerocash.tech
security:
  - bearerAuth: []
tags:
  - name: Authentication
    description: Obtain and manage API credentials.
  - name: Reference Data
    description: Look up countries, banks, operators, and rates before transacting.
  - name: Charges
    description: Collect payments from your customers.
  - name: Payouts
    description: Disburse funds to recipients.
  - name: Transactions
    description: Retrieve and reconcile transactions.
  - name: Webhooks
    description: Receive and replay real-time event notifications.
paths:
  /api/b2b/fiat/deposit/opay:
    post:
      tags:
        - Charges
      summary: Opay Charge
      description: >-
        Accept payments via OPay. Charges are processed asynchronously; some
        transactions require a redirect to complete authentication before funds
        are captured.
      operationId: opay-charge-ref
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
                - amount
                - externalReference
              properties:
                amount:
                  type: number
                  format: float
                currency:
                  type: string
                  description: 3-letter currency code. Defaults to NGN.
                email:
                  type: string
                  description: Customer's email address.
                externalReference:
                  type: string
                  description: >-
                    A unique ID of your liking to reconcile transactions
                    internally.
                successRedirectUrl:
                  type: string
                  description: The redirect url for a successful transaction
                failureRedirectUrl:
                  type: string
                  description: The redirect url for a failed transaction
            examples:
              Request Example:
                value:
                  amount: 100
                  currency: NGN
                  email: john.stewart@gmail.com
                  externalReference: nvcmnvnmclmlv
                  successRedirectUrl: https://www.google.com/
                  failureRedirectUrl: https://x.com/
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    success: true
                    message: Transaction initiated successfully.
                    data:
                      transactionId: 6VOWReShlbh4MzXu8kbQ
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                    default: true
                  message:
                    type: string
                    example: Transaction initiated successfully.
                  data:
                    type: object
                    properties:
                      transactionId:
                        type: string
                        example: 6VOWReShlbh4MzXu8kbQ
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value: {}
              schema:
                type: object
                properties: {}
      deprecated: false
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````