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# 3DSIntegrator Documentation

## Guides
- [Changelog](https://docs.3dsintegrator.com/docs/changelog.md): Release history for the PAAY 3DS API and JS SDK
- [Overview](https://docs.3dsintegrator.com/docs/overview.md): EMV 3-D Secure authentication — how it works, what it protects, and how to integrate with PAAY
- [Getting API Credentials](https://docs.3dsintegrator.com/docs/credentials.md): How to obtain your API key and secret for PAAY 3DS authentication
- [Status Codes](https://docs.3dsintegrator.com/docs/status-codes.md): 3DS authentication status codes, ECI values, CAVV formats, and reason codes across all channels
- [Test Cards](https://docs.3dsintegrator.com/docs/test-cards.md): We offer a sandbox environment so you can confirm your integration works before using real card data.
- [Country Code Table](https://docs.3dsintegrator.com/docs/country.md)
- [Currency Code Table](https://docs.3dsintegrator.com/docs/currency.md)
- [Data Elements](https://docs.3dsintegrator.com/docs/data-elements.md): Send more data to issuers for higher approval rates and fewer challenges
- [Data Share Only Authentication](https://docs.3dsintegrator.com/docs/data-share-only.md): How to use 3DS Data Share to improve approval rates without cardholder friction
- [PSD2 & SCA Compliance](https://docs.3dsintegrator.com/docs/psd2.md): How PAAY 3DS meets PSD2 Strong Customer Authentication requirements
- [Tokenization Partnerships](https://docs.3dsintegrator.com/docs/tokenization-partnerships.md): 3DS JS SDK and the API are compatible with a variety of tokenization providers.
- [Troubleshooting](https://docs.3dsintegrator.com/docs/troubleshooting.md): Common 3DS integration errors and how to resolve them
- [3RI Authentication](https://docs.3dsintegrator.com/docs/3ri.md): Merchant-initiated 3DS authentication for recurring payments, subscriptions, and card-on-file transactions
- [Authentication & JWT](https://docs.3dsintegrator.com/docs/authorize.md): How to generate JWT tokens for PAAY 3DS API requests
- [Challenge Flow](https://docs.3dsintegrator.com/docs/challenge.md): How to handle 3DS challenge iframes when the issuer requires cardholder verification
- [Collect Required Data](https://docs.3dsintegrator.com/docs/collect-data.md): All required and recommended fields to gather before sending a 3DS authentication request
- [Device Fingerprinting](https://docs.3dsintegrator.com/docs/fingerprinting.md): How to implement 3DS device fingerprinting with a hidden iframe
- [Direct API Overview](https://docs.3dsintegrator.com/docs/direct-api.md): Server-to-server 3DS integration with full control over the authentication flow.
- [Poll for Results](https://docs.3dsintegrator.com/docs/poll-for-results.md): Retrieves the authentication result for a transaction.
- [Send Authentication Request](https://docs.3dsintegrator.com/docs/send-authentication-request.md): How to POST card and browser data to the 3DS authenticate endpoint to initiate authentication
- [Use the Result](https://docs.3dsintegrator.com/docs/use-the-result.md): How to pass 3DS authentication values to your payment processor after successful authentication.
- [DOM Elements Reference](https://docs.3dsintegrator.com/docs/dom-elements.md): All data-threeds attributes for the PAAY JavaScript SDK form integration
- [JavaScript SDK](https://docs.3dsintegrator.com/docs/js-sdk.md): Drop-in 3DS integration with the PAAY JavaScript SDK

## API Reference
- [Start 3RI bulk authentication](https://docs.3dsintegrator.com/reference/post_v2-2-authenticate-3ri.md): The 3RI batch processing endpoint is designed for merchant initiated transactions ( Device Channel 03 ). For the beta build, this is limited to 100 transaction.
- [Using the Client Credential OAuth flow](https://docs.3dsintegrator.com/reference/post_v2-2-authorize-3ri.md): Get Access to the Authentication System using the OAuth flow. Returns a JWT Bearer Token
- [Get async bulk transaction updates for 2.2 3RI api](https://docs.3dsintegrator.com/reference/get_v2-2-transaction-3ri-async-batchid-updates.md): Get the results of the bulk transaction job for the Async 3RI flow.
- [Fetch bin range data](https://docs.3dsintegrator.com/reference/post_v2-2-bin-meta-data-1.md): This is used to get bin range data for the provided PANs.
- [Get transaction updates](https://docs.3dsintegrator.com/reference/subscribetoupdates.md): Listen for transaction updates during the 3DS flow
- [Start browser authentication](https://docs.3dsintegrator.com/reference/post_v2-2-authenticate-browser.md): This starts the authentication process by retrieving the acquirer info to show in the browser
- [Generate a JWT via the API if you are not able to yourself](https://docs.3dsintegrator.com/reference/post_v2-2-authorize.md): This method is meant to support secure JWT generation in the browser. You should generate your own without using this method if you're communicating with the API directly
- [Generate a JWT via the API if you are not able to yourself](https://docs.3dsintegrator.com/reference/post_v2-2-authorize-1.md): This method is meant to support secure JWT generation in the browser. You should generate your own without using this method if you're communicating with the API directly
- [Fetch bin range data](https://docs.3dsintegrator.com/reference/post_v2-2-bin-meta-data.md): This is used to get bin range data for the provided PANs.