---
title: "Developer Resources"
source_url: https://docs.rapyd.net/en/developer-resources.html
lang: en
---

# Developer Resources

Rapyd provides the following resources to help developers test and implement their applications.

#### Quickstart

- [Rapyd Wallet Architecture](https://docs.rapyd.net/en/rapyd-wallet-architecture.md "Rapyd Wallet Architecture") - An overview of how money moves into and out of the Rapyd wallet,
- [Set Up Your Account](https://docs.rapyd.net/en/set-up-your-account.md "Set Up Your Account") - Use Rapyd's sandbox, and set up a free account.
- [Access Keys](https://docs.rapyd.net/en/access-keys.md "Access Keys") - Use Rapyd's API with Postman or your own code, you need access keys

#### General Information

- [Information Security](https://docs.rapyd.net/en/information-security.md "Information Security") - Rapyd handles and maintains sensitive information in accordance with the most stringent PCI standards.
- [Localization Methods](https://docs.rapyd.net/en/localization-methods.md "Localization Methods") - An API call that returns a list of the languages supported for customer-facing interfaces.
- [Metadata](https://docs.rapyd.net/en/metadata.md "Metadata") - Contains custom data defined by the client, in the format of a JSON object.

#### System Architecture

- [Error Messages](https://docs.rapyd.net/en/error-messages.md "Error Messages") - When the requested operation cannot be completed, Rapyd returns an error message.
- [Webhooks](https://docs.rapyd.net/en/webhooks.md "Webhooks") - Callback messages from Rapyd to the client, triggered by internal or external events.

#### Integration Tools

- [Authentication](https://docs.rapyd.net/en/authentication.md "Authentication") - Messages between the client and Rapyd are authenticated with the values of specific header parameters.
- [Code Samples](https://docs.rapyd.net/en/code-samples.md "Code Samples") - Understanding code samples in Rapyd documentation.
- [Environments](https://docs.rapyd.net/en/environments.md "Environments") - Production and sandbox environments and their base URLs.
- [Testing for Payment API](https://docs.rapyd.net/en/testing-for-payment-api.md "Testing for Payment API") - Methods for simulating errors, disputes and 3DS authentication.
- [Testing for Payout API](https://docs.rapyd.net/en/testing-for-payout-api.md "Testing for Payout API") - Account numbers for testing. Simulating quarantine under review.
- [Sandbox Funds](https://docs.rapyd.net/en/sandbox-funds.md "Sandbox Funds") - Topping up the wallet and removing funds.
- [Sample Image](https://docs.rapyd.net/en/sample-image.md "Sample Image") - Useful for API methods that require an image.
- [Resource Methods](https://docs.rapyd.net/en/resource-methods.md "Resource Methods") - API queries for languages, countries, currencies, FX rates, and locations.

#### Rapyd Collect

- [Rapyd Collect](https://docs.rapyd.net/en/rapyd-collect-542537.md "Rapyd Collect") - Collect a payment from a customer and deposit it into one or more Rapyd Wallets. This section explains Rapyd Collect capabilities.

#### Rapyd Wallet

- [Rapyd Wallet](https://docs.rapyd.net/en/rapyd-wallet-542958.md "Rapyd Wallet") - A white-label digital wallet. This section explains Rapyd Wallet capabilities.