# MoMo All-in-One Payment Gateway (AIO v2)

**Canonical:** https://apis.io/apis/momo/aio-payment-gateway/  
**Provider:** MoMo — https://apis.io/providers/momo/  
**Base URL:** https://payment.momo.vn/v2/gateway/api  
**Documentation:** https://developers.momo.vn/v3/docs/payment/guides/payment-with-aio/

MoMo All-in-One Payment Gateway (AIO v2) is one of 4 APIs that [MoMo](https://apis.io/providers/momo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Payments, Payment Gateway, Refunds, Disbursement, and Tokenization. The published artifact set on APIs.io includes API documentation and an API reference.

The MoMo All-in-One (AIO v2) merchant payment gateway. One integration covers MoMo e-wallet, domestic ATM card, credit card, Apple Pay, Google Pay, Buy Now Pay Later, Quick Pay POS scanner, collection links and static/dynamic QR acceptance, plus transaction query, two-step capture/cancel confirm, reverse and refund, tokenisation (account binding and subscription) and single/batch disbursement. All calls are POST JSON signed with HMAC-SHA256; results are pushed back over IPN.

## Machine-readable artifacts (5)

- **Documentation** — https://developers.momo.vn/v3/docs/payment/guides/payment-with-aio/
- **APIReference** — https://developers.momo.vn/v3/docs/payment/api/wallet/onetime/
- **Postman** — https://developers.momo.vn/v3/docs/payment/api/other/postman/
- **Sandbox** — https://developers.momo.vn/v3/docs/payment/onboarding/test-instructions/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/momo/refs/heads/main/apis.yml

## Other MoMo APIs (3)

- [MoMo Business Page OpenAPI](https://apis.io/apis/momo/business-page-openapi/)
- [MoMo Voucher Distribution API](https://apis.io/apis/momo/voucher-distribution/)
- [MoMo Mini App Open API](https://apis.io/apis/momo/mini-app-open-api/)

## Tags

Payments, Payment Gateway, Refunds, Disbursement, Tokenization

---

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