# Developer docs

Learn how to set up and use Rebilly.

## Get started

Step-by-step guides that describe how to integrate Rebilly into your website.

Hosted payment forms
Add a hosted payment form to your website.

Embedded payment forms
Add embedded checkout, deposit, or payout forms to your website.

Concepts
Learn the concepts and components of the Rebilly product.

## Libraries & SDKs

Explore the Rebilly library and SDK docs.

Rebilly Instruments
Easy-to-use, PCI compliant JavaScript library that creates complete end-to-end payment flow UIs.

FramePay
FramePay securely collects payment information in checkout forms and injects UI elements into secure, Rebilly-hosted iframes.

SDKs
Use the Rebilly PHP and JS SDKs to interact with the Rebilly API.

## API guides and reference

Explore Rebilly API guides and reference docs.

API keys
Learn how to use and manage API keys in Rebilly.

Rebilly API
Browse the Rebilly API docs.

Webhook configuration
Use webhooks with the Rebilly API.

Hosted payment form API guide
Integrate a hosted payment form using the Rebilly API.

Hosted payout form API guide
Integrate a hosted payout form using the Rebilly API

Direct transaction API integration
Integrate direct transactions using the Rebilly API.

Request KYC docs API guide
Request KYC documents from customers using the Rebilly API.

Search filters
Search for specific results using the Rebilly API.

Export configuration
Configure data exports using the Rebilly API.

Embedded resources
Pre-load additional objects in API requests.

PGP public key
Encrypt sensitive information before sending to Rebilly.

Resource ID prefixes
Browse Rebilly resource ID prefixes.

## Testing

Learn how to test your Rebilly setup.

Test transactions
Test payment transactions in Rebilly.

Apple Pay testing
Test your Apple Pay integration.

## Miscellaneous

Other useful guides and resources.

Lead source attribution
Track lead sources and attribution.

Manage apps
Create your own apps and add them to the Rebilly App Store.

Transaction reconciliation
Learn how to manage transaction reconciliation in Rebilly.

IP address allowlists
IP addresses for connecting to Rebilly services.