# WorldFirst Pay Solution API

**Canonical:** https://apis.io/apis/worldfirst/worldfirst-pay-solution-api/  
**Provider:** WorldFirst — https://apis.io/providers/worldfirst/  
**Base URL:** https://open-sea.worldfirst.com/amsin/api/v1  
**Documentation:** https://developers.worldfirst.com/docs/alipay-worldfirst/cashier_payment/getting_started

WorldFirst Pay Solution API is one of 3 APIs that [WorldFirst](https://apis.io/providers/worldfirst/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Payment Acceptance, Cashier Payment, Checkout, and E-Commerce. The published artifact set on APIs.io includes API documentation and an API reference.

The WorldFirst Pay Solution (Cashier Payment) API lets overseas e-commerce merchants accept payments through a hosted checkout: create a payment order, let the customer complete payment, inquire about payment status, and receive an asynchronous payment notification (webhook). RESTful JSON over HTTPS with RSA256/ECC224 signed requests; no downloadable OpenAPI is published.

## Machine-readable artifacts (2)

- **Documentation** — https://developers.worldfirst.com/docs/alipay-worldfirst/cashier_payment/development_via_api
- **APIReference** — https://developers.worldfirst.com/docs/alipay-worldfirst/cashier_payment/getting_started

## Other WorldFirst APIs (2)

- [WorldFirst Enterprise Solution API](https://apis.io/apis/worldfirst/worldfirst-enterprise-solution-api/)
- [WorldFirst WorldTrade Solution API](https://apis.io/apis/worldfirst/worldfirst-worldtrade-solution-api/)

## Tags

Payment Acceptance, Cashier Payment, Checkout, E-Commerce

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