MoMo is Vietnam's largest mobile-money and e-wallet platform, operated by Online Mobile Services Joint Stock Company (Cong ty Co phan Dich vu Di dong Truc tuyen, "M_Service"), founded in 2007 and licensed by the State Bank of Vietnam for e-wallet, money transfer and collection/disbursement services. Alongside the consumer wallet it runs a merchant payments business whose public developer surface at developers.momo.vn documents the All-in-One (AIO v2) Payment Gateway for wallet, domestic ATM card, credit card, Apple Pay, Google Pay, Buy Now Pay Later, POS Quick Pay and static/dynamic QR acceptance, single and batch disbursement, collection links, and tokenised one-click and subscription payments. It also publishes a Business Page OpenAPI, a Voucher Distribution API and a Mini App Open Platform for third-party apps embedded inside the MoMo app. Integration is HMAC-SHA256 signed with RSA and AES payload encryption, uses requestId-based idempotency and server-to-server IPN callbacks, and is distributed as fourteen public Postman collections plus first-party PHP, Java and mobile SDKs.
MoMo publishes 1 API on the APIs.io network: All-in-One Payment Gateway (AIO v2). Tagged areas include Payments, Mobile Payments, Fintech, Digital Wallet, and Payment Gateway.
The MoMo catalog on APIs.io includes 1 event-driven AsyncAPI specification.
MoMo’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, signup flow, authentication, and 27 more developer resources.
Regulatory Posture applies to this provider. Its tags matched the
Payments regime, so
Regulatory Posture carries 15 points of the composite.
If this regime is wrong for your business, say so on your
provider repo — the
applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for
this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero:
never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and
several others — scorable at all.
The six quality facets above are damped to 85 points between them,
because the conditional facet above carries the other
15. That is why each facet's contribution is shown against a damped
maximum: raising a quality facet moves the composite by 85% of its nominal
weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/momo: open an issue to ask a question, or submit a pull request to add artifacts.
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Server-to-server API for operating a MoMo Business Page: list and read managed pages, update page detail, images, logo, opening times, utilities and ambiences, publish and read ...
API for creating and distributing promotion campaigns and voucher codes to MoMo users, and for reconciling redemption. Create and update campaigns, upload voucher codes by file,...
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 pro...
aid: momo
name: MoMo
description: MoMo is Vietnam's largest mobile-money and e-wallet platform, operated by Online Mobile Services Joint Stock
Company (Cong ty Co phan Dich vu Di dong Truc tuyen, "M_Service"), founded in 2007 and licensed by the State Bank of Vietnam
for e-wallet, money transfer and collection/disbursement services. Alongside the consumer wallet it runs a merchant payments
business whose public developer surface at developers.momo.vn documents the All-in-One (AIO v2) Payment Gateway for wallet,
domestic ATM card, credit card, Apple Pay, Google Pay, Buy Now Pay Later, POS Quick Pay and static/dynamic QR acceptance,
single and batch disbursement, collection links, and tokenised one-click and subscription payments. It also publishes a
Business Page OpenAPI, a Voucher Distribution API and a Mini App Open Platform for third-party apps embedded inside the
MoMo app. Integration is HMAC-SHA256 signed with RSA and AES payload encryption, uses requestId-based idempotency and server-to-server
IPN callbacks, and is distributed as fourteen public Postman collections plus first-party PHP, Java and mobile SDKs.
deliveryModel:
model: saas
open_source: false
commercial: true
callable_host: false
label: Hosted service · you call their endpoint
confidence: medium
source:
- pricing
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: self-serve
trial: false
try_now: false
public: false
label: Self-serve signup
confidence: medium
source:
- authentication
- scopes
- rate-limits
- security
- sandbox
generated: '2026-09-02'
method: derived
image: https://homepage.momocdn.net/img/momo-amazone-s3-api-241029082636-638657871963540172.jpg
url: https://raw.githubusercontent.com/api-evangelist/momo/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-26'
modified: '2026-08-26'
tags:
- Payments
- Mobile Payments
- Fintech
- Digital Wallet
- Payment Gateway
- QR Payments
- Disbursements
- Buy Now Pay Later
- E-Commerce
- Vietnam
tags_raw:
- Payments
- Mobile Payments
- FinTech
- Digital Wallet
- Payment Gateway
- QR Payments
- Disbursement
- Buy Now Pay Later
- E-commerce
- Vietnam
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
apis:
- aid: momo:aio-payment-gateway
name: MoMo All-in-One Payment Gateway (AIO v2)
description: 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.
humanURL: https://developers.momo.vn/v3/docs/payment/guides/payment-with-aio/
baseURL: https://payment.momo.vn/v2/gateway/api
tags:
- Payments
- Payment Gateway
- Refunds
- Disbursements
- Tokenization
tags_raw:
- Payments
- Payment Gateway
- Refunds
- Disbursement
- Tokenization
properties:
- type: Documentation
url: https://developers.momo.vn/v3/docs/payment/guides/payment-with-aio/
- type: APIReference
url: https://developers.momo.vn/v3/docs/payment/api/wallet/onetime/
- type: Postman
url: https://developers.momo.vn/v3/docs/payment/api/other/postman/
- type: Sandbox
url: https://developers.momo.vn/v3/docs/payment/onboarding/test-instructions/
- aid: momo:business-page-openapi
name: MoMo Business Page OpenAPI
description: 'Server-to-server API for operating a MoMo Business Page: list and read managed pages, update page detail,
images, logo, opening times, utilities and ambiences, publish and read posts and their comments, read ratings and reviews,
build customer segments, register and send customer-care and automated notification messages, and pull page view/interaction/payment
reports. Authenticated with a Partner Id plus an X-API-KEY scoped to the permission groups granted in the MoMo for Business
portal.'
humanURL: https://developers.momo.vn/v3/docs/business-page/overall/
baseURL: https://business.momo.vn/api
tags:
- Business Page
- Messaging
- Content
- Reporting
properties:
- type: Documentation
url: https://developers.momo.vn/v3/docs/business-page/overall/
- type: GettingStarted
url: https://developers.momo.vn/v3/docs/business-page/start/
- aid: momo:voucher-distribution
name: MoMo Voucher Distribution API
description: API for creating and distributing promotion campaigns and voucher codes to MoMo users, and for reconciling
redemption. Create and update campaigns, upload voucher codes by file, query campaign and voucher-code status, and post
redemption results back to MoMo. Authenticated with clientId/clientSecret exchanged for a 24-hour bearer access token;
every request carries an X-Request-Id UUID.
humanURL: https://developers.momo.vn/v3/docs/voucher-distribution/overall/
baseURL: https://business.momo.vn/api
tags:
- Vouchers
- Promotions
- Loyalty
properties:
- type: Documentation
url: https://developers.momo.vn/v3/docs/voucher-distribution/overall/
- type: GettingStarted
url: https://developers.momo.vn/v3/docs/voucher-distribution/integration-documentation/
- aid: momo:mini-app-open-api
name: MoMo Mini App Open API
description: 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.
humanURL: https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/api-specifications/
baseURL: https://openapi.momo.vn/gateway/open/v1
tags:
- Mini App
- Identity
- Notification
tags_raw:
- Mini App
- Identity
- Notifications
properties:
- type: Documentation
url: https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/api-specifications/
- type: APIReference
url: https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/catalog-functions/
- type: Authentication
url: https://developers.momo.vn/v3/docs/app-center/development-guideline/components-api-sdk/open-api/open-api-security/
common:
- type: DomainSecurity
url: security/momo-domain-security.yml
- type: Website
url: https://www.momo.vn/
- type: DeveloperPortal
url: https://developers.momo.vn/
- type: Documentation
url: https://developers.momo.vn/v3/docs/payment/guides/home/
- type: APIReference
url: https://developers.momo.vn/v3/docs/payment/api/wallet/onetime/
- type: GettingStarted
url: https://developers.momo.vn/v3/docs/payment/onboarding/integration-process/
- type: Support
url: https://developers.momo.vn/v3/docs/app-center/technical-support/
- type: HelpCenter
url: https://www.momo.vn/hoi-dap
- type: Blog
url: https://www.momo.vn/blog
- type: GitHubOrganization
url: https://github.com/momo-wallet
- type: SignUp
url: https://business.momo.vn/
- type: TermsOfService
url: https://www.momo.vn/dieu-khoan-dieu-le
- type: PrivacyPolicy
url: https://www.momo.vn/chinh-sach-quyen-rieng-tu
- type: Postman
url: https://developers.momo.vn/v3/docs/payment/api/other/postman/
- type: Packages
url: packages/momo-packages.yml
- type: SDKs
url: packages/momo-packages.yml
- type: Authentication
url: authentication/momo-authentication.yml
- type: OAuthScopes
url: scopes/momo-scopes.yml
- type: Conventions
url: conventions/momo-conventions.yml
- type: Idempotency
url: conventions/momo-conventions.yml
- type: ErrorCatalog
url: errors/momo-error-codes.yml
- type: DeclineCodes
url: errors/momo-decline-codes.yml
- type: Webhooks
url: asyncapi/momo-webhooks.yml
- type: Sandbox
url: sandbox/momo-sandbox.yml
- type: CLI
url: cli/momo-cli.yml
- type: Components
url: components/momo-components.yml
- type: DataModel
url: data-model/momo-data-model.yml
- type: ChangeLog
url: changelog/momo-changelog.yml
- type: Lifecycle
url: lifecycle/momo-lifecycle.yml
- type: Conformance
url: conformance/momo-conformance.yml
- type: Compliance
url: conformance/momo-conformance.yml
- type: Plans
url: plans/momo-plans-pricing.yml
- type: RateLimits
url: rate-limits/momo-rate-limits.yml
- type: LLMsTxt
url: llms/momo-llms.txt
x-enrichment:
date: '2026-08-26'
status: enriched
artifacts_added: 35
pass: local-v1
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