# CoinsSend Documentation > Crypto-processing service: multi-chain wallets, invoicing, withdrawals and asset-exchange API. > This manifest helps large-language models locate the key Markdown sources quickly. ## General - [CoinsSend API Documentation](https://docs.coinssend.com/README.md): project overview - [Getting Started with CoinsSend API](https://docs.coinssend.com/getting-started.md) - [Authentication](https://docs.coinssend.com/authentication.md) - [Rate Limits](https://docs.coinssend.com/rate-limits.md) - [Error Handling](https://docs.coinssend.com/error-handling.md) - [API Reference](https://docs.coinssend.com/api-reference.md) - [Webhooks](https://docs.coinssend.com/webhooks.md) - [Withdrawals API](https://docs.coinssend.com/withdrawals.md) - [Static Wallets API](https://docs.coinssend.com/static-wallets.md) - [Invoices API](https://docs.coinssend.com/invoices.md) - [Merchant API](https://docs.coinssend.com/merchants.md) - [Code Examples (Index)](https://docs.coinssend.com/code-examples.md) ## Code Examples (Python) - [Creating an Invoice](https://docs.coinssend.com/examples/python-invoice.md) - [Managing Static Wallets](https://docs.coinssend.com/examples/python-static-wallet.md) ## Code Examples (JavaScript / Node.js) - [Creating an Invoice](https://docs.coinssend.com/examples/js-invoice.md) - [Managing Static Wallets](https://docs.coinssend.com/examples/js-static-wallet.md) - [Initiating a Withdrawal](https://docs.coinssend.com/examples/node-withdrawal.md) ## Code Examples (PHP) - [Creating an Invoice](https://docs.coinssend.com/examples/php-invoice.md) - [Working with Static Wallets](https://docs.coinssend.com/examples/php-static-wallet.md)