Documentation Index
Fetch the complete documentation index at: https://docs.gate.com/llms.txt
Use this file to discover all available pages before exploring further.
Recommended Reading Order
If this is your first integration, the recommended reading order is:
- Quickstart
- Merchant Access
- Authentication
- Notification
- The guide and API Reference for your target product flow
Merchant Onboarding and App Configuration
Base URL
| Component | Value |
|---|
| Service Base URL | https://openplatform.gateapi.io |
| Step | Action |
|---|
| 1 | Log in to the GatePay Merchant Portal and complete merchant registration and initial setup. |
| 2 | Fill in the required business information and submit your merchant application. |
| 3 | Navigate to the app configuration page and create or configure a new application. |
| 4 | Retrieve your ClientId from the application list. |
| 5 | Configure the callback URL as needed to receive asynchronous notifications. |
Configuration Credentials
After completing app configuration, you will receive the following credentials:
| Credential | Description |
|---|
ClientId | Unique identifier for your application. Used in all API requests via the X-GatePay-Certificate-ClientId header (see Authentication and Security for details). |
| Payment API Secret | Server-side signing key for payment-related API requests and signature verification. |
| Authorization Secret | Server-side signing key for authorization API requests and signature verification (used only by authorization APIs). |
| Callback URL | Endpoint configured to receive asynchronous payment notifications. |
| Header | Description |
|---|
X-GatePay-Certificate-ClientId | Application identity |
X-GatePay-Timestamp | UTC timestamp in milliseconds |
X-GatePay-Nonce | Random nonce |
X-GatePay-Signature | Request signature generated from the signing rules |
X-GatePay-On-Behalf-Of | Institution-only delegated header. It is required on every institution API except POST /merchant/open/institution/v1/accounts/create, GET /merchant/open/institution/v1/accounts/query, and GET /merchant/open/institution/v1/accounts/list. |
SDK Support
The latest official SDK and client repositories are maintained under the Gate GitHub organization:
https://github.com/gate
The currently public multi-language SDK / client resources include:
| Repository | Language | Description |
|---|
gatepay-sdk-java | Java | GatePay Java repository, repository |
gatepay-sdk-go | Go | GatePay Go repository, repository |
gatepay-sdk-python | Python | GatePay Python SDK repository, repository |
gatepay-sdk-android | Android | GatePay Android SDK repository, repository |
gatepay-sdk-ios | iOS | GatePay iOS SDK repository, repository |
gatepay-call-payment-sdk-android | Android Call Payment | GatePay Android Call Payment SDK repository, repository |
gatepay-call-payment-sdk-iOS | iOS Call Payment | GatePay iOS Call Payment SDK repository, repository |
Supported Payment Networks and Currencies
Blockchain Networks and Supported Cryptocurrencies
The following networks and tokens are supported for address-based payments:
| Blockchain Network | Supported Currencies |
|---|
| Ethereum / ERC20 | DAI, ETH, POL, USDC, USDT |
| Polygon | DAI, POL, USDC, USDT |
| Arbitrum One / ERC20 | USDC, USDT |
| BNB Smart Chain / BEP20 | BNB, USDT |
| Solana | SOL, USDC, USDT |
| Tron / TRC20 | TRX, USDT |
| Base | USDC |
| Bitcoin BRC20 / Ordinals | BTC |
Supported Currencies for Other Payment Channels
The following cryptocurrencies and digital assets are supported across other payment methods:
BTC, USDT, USD, GT, ETH, EOS, DOGE, DOT, SHIB, LTC, ADA, BCH, FIL, ZEC, BNB, UNI, XRP, STEPG, SUPE, LION, FROG
Next Steps
- If you want to run the first end-to-end flow quickly, start with Quickstart
- For authentication details and request signing, see Authentication and Security
- For payment API integration, refer to your specific payment flow documentation
- For error handling and best practices, consult the error codes and troubleshooting guide
