# GCash Mini Program Open API

**Canonical:** https://apis.io/apis/gcash/gcash-mini-program-open-api/  
**Provider:** GCash — https://apis.io/providers/gcash/  
**Base URL:** https://apiportal.gcash.com  
**Documentation:** https://miniprogram.gcash.com/docs/miniprogram_gcash/mpdev/openapi_overview

GCash Mini Program Open API is published by [GCash](https://apis.io/providers/gcash/) on the [APIs.io](https://apis.io/) network. Tagged areas include Payments, Mini Program, and Refunds. The published artifact set on APIs.io includes API documentation, an API reference, and a getting-started guide.

Merchant-facing payment API for GCash mini programs — cashier payment, payment inquiry, refund and refund inquiry, plus OAuth2 user authorization (authCode -> applyToken). Signed requests (Client-Id + Request-Time + Signature), idempotent on paymentRequestId/refundRequestId, with async notification callbacks.

## Machine-readable artifacts (4)

- **Documentation** — https://miniprogram.gcash.com/docs/miniprogram_gcash/mpdev/openapi_overview
- **APIReference** — https://miniprogram.gcash.com/docs/miniprogram_gcash/mpdev/api_api-reference
- **GettingStarted** — https://miniprogram.gcash.com/docs/miniprogram_gcash/mpdev/developer-guide
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/gcash/refs/heads/main/apis.yml

## Tags

Payments, Mini Program, Refunds

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/gcash/gcash-mini-program-open-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/gcash/.