# MoMo Mini App Open API

**Canonical:** https://apis.io/apis/momo/mini-app-open-api/  
**Provider:** MoMo — https://apis.io/providers/momo/  
**Base URL:** https://openapi.momo.vn/gateway/open/v1  
**Documentation:** https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/api-specifications/

MoMo Mini App Open API is one of 4 APIs that [MoMo](https://apis.io/providers/momo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Mini App, Identity, and Notification. The published artifact set on APIs.io includes API documentation, an API reference, and authentication docs.

The M_Service Open Platform server-to-server API used by Mini Apps embedded in the MoMo app. Exchange a user authorisation code for a short-lived access token, read the user profile fields the user consented to share, and push notifications into the MoMo app. Requests carry an OAuth 2.0-style bearer JWT plus an OP-Signature (SHA256withRSA over data + M-Timestamp + openSecretKey) and optional AES payload encryption under an RSA-wrapped symmetric key.

## Machine-readable artifacts (3)

- **Documentation** — https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/api-specifications/
- **APIReference** — https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/catalog-functions/
- **Authentication** — https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/open-api-security/

## Other MoMo APIs (3)

- [MoMo All-in-One Payment Gateway (AIO v2)](https://apis.io/apis/momo/aio-payment-gateway/)
- [MoMo Business Page OpenAPI](https://apis.io/apis/momo/business-page-openapi/)
- [MoMo Voucher Distribution API](https://apis.io/apis/momo/voucher-distribution/)

## Tags

Mini App, Identity, Notification

---

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