# ARP Digital API Documentation

> ARP Digital provides production APIs for remittance, wallet, checkout, and trading workflows. This file indexes all documentation pages and API references for LLM consumption.

## Guides

- [Getting Started](https://docs.arpdigital.io/getting-started): Product-level orientation and integration path for building with ARP Digital — remittance flows, wallet operations, trading, and checkout.
- [Platform Overview](https://docs.arpdigital.io/platform-overview): ARP Digital's four API products (GPS, OTC, Gate, Wallet) with core use cases and base URLs.
- [Authentication](https://docs.arpdigital.io/authentication): How to authenticate API requests using signed HMAC SHA256 with required headers (X-API-Key, X-Timestamp, X-Signature, X-Environment).
- [Error Handling and Retries](https://docs.arpdigital.io/errors-and-retries): Separating permanent failures from retriable failures, error envelope structure, and retry strategies.
- [Webhooks](https://docs.arpdigital.io/webhooks): Webhook delivery model for near-real-time status updates across remittance, wallet, trade, and checkout events.
- [Recipient Verification](https://docs.arpdigital.io/recipient-verification): Build robust recipient onboarding flows for remittance with corridor-dependent field and payout method requirements.
- [Send Money (Remittance Flow)](https://docs.arpdigital.io/remittance-verification): End-to-end GPS remittance flow — recipient creation, quote generation, transaction creation, and tracking.
- [Bank Verification — BHD (Bahraini Dinar)](https://docs.arpdigital.io/bank-verification-bhd): Implementation guidance for BHD bank payouts with corridor availability and data model recommendations.
- [Bank Verification — SAR (Saudi Riyal)](https://docs.arpdigital.io/bank-verification-sar): SAR remittance recipient guide with recommended fields and validation rules for bank account verification.
- [Bank Verification — AED (UAE Dirham)](https://docs.arpdigital.io/bank-verification-aed): AED remittance recipient guide with dynamic field definitions fetched from the API.
- [Bank Verification — USD (US Dollar)](https://docs.arpdigital.io/bank-verification-usd): USD remittance recipient guide with corridor-specific field definitions for bank account verification.
- [Fees, Processing Times & Cut-Off Times](https://docs.arpdigital.io/fees-and-processing): Fee structure, transaction delivery times, cut-off windows, and payment rail details for all supported corridors.
- [API Error Codes Reference](https://docs.arpdigital.io/error-codes): Comprehensive list of all error codes returned by ARP Digital APIs organized by HTTP status code and category.
- [API Reference](https://docs.arpdigital.io/api-reference): Overview of the four product APIs with interactive documentation, request builders, and code examples.

## API References

- [Remittance API (GPS)](https://docs.arpdigital.io/remittance-api): Manage recipients, quotes, and remittance transactions.
- [Trade API (OTC)](https://docs.arpdigital.io/trade-api): Execute buy/sell trades, retrieve trading history, and request price quotes.
- [Checkout API (GATE)](https://docs.arpdigital.io/checkout-api): Checkout sessions and vault management services.
- [Wallet API](https://docs.arpdigital.io/wallet-api): Manage wallets, bank accounts, deposits, and withdrawals.

## Optional

- [Full Documentation](https://docs.arpdigital.io/llms-full.txt): Complete documentation content for comprehensive context.