GSMA

GSMA One Step Payment API

Operations to manage One Step Payment procedure

GitHub OpenAPI
Business capability
Charging & Rating Management BC-2660.20

Operations 1

POST /payments Create a new Payment #

Documentation

📖
Documentation
https://developer.mobilemoneyapi.io/
📖
APIReference
https://developer.mobilemoneyapi.io/api-versions-1.2/resources/api-service-definition.html
📖
Documentation
https://developer.mobilemoneyapi.io/api-versions-1.2/resources/open-oas3-ui.html
📖
Documentation
https://developer.mobilemoneyapi.io/sdks/getting-started/introduction.html
📖
Documentation
https://developer.mobilemoneyapi.io/security/
📖
Documentation
https://developer.mobilemoneyapi.io/guidelines/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/gsma/refs/heads/main/openapi/gsma-one-step-payment-api-openapi.yml

Other Resources

🔗
Webhooks
https://raw.githubusercontent.com/api-evangelist/gsma/refs/heads/main/asyncapi/gsma-webhooks.yml
🔗
SDKs
https://raw.githubusercontent.com/api-evangelist/gsma/refs/heads/main/packages/gsma-packages.yml
🔗
ChangeLog
https://developer.mobilemoneyapi.io/api-versions-1.2/resources/change-list.html
🔗
Idempotency
https://raw.githubusercontent.com/api-evangelist/gsma/refs/heads/main/conventions/gsma-conventions.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/gsma-one-step-payment-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

gsma-one-step-payment-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  description: 'Service Enabling Payments against Operator Carrier Billing Systems


    # Introduction


    The Carrier Billing API provides programmable interface for developers and other users (capabilities consumers) to charge an amount on a mobile line.'
  version: wip
  title: Carrier Billing One Step Payment API
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  x-camara-commonalities: wip
servers:
- url: '{apiRoot}/carrier-billing/vwip'
  variables:
    apiRoot:
      default: http://localhost:9091
      description: API root, defined by the service provider
tags:


# --- truncated at 32 KB (32 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/gsma/refs/heads/main/openapi/gsma-one-step-payment-api-openapi.yml