> For the complete documentation index, see [llms.txt](https://docs.number.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.number.tech/documentation.md). # Documentation - [Developer Quickstart](https://docs.number.tech/documentation/developer-quickstart.md): Partnership isn’t just a word—it’s how we power payments. - [Authentication](https://docs.number.tech/documentation/developer-quickstart/authentication.md): A quickstart guide to authenticating with Number services - [Card Sales and Consent](https://docs.number.tech/documentation/developer-quickstart/card-sales-and-consent.md): Learn to make credit card sales and collect consent with Number - [Querying and Filtering](https://docs.number.tech/documentation/developer-quickstart/querying-and-filtering.md): Find the information you need through the API or Virtual Terminal - [Payment Reminders](https://docs.number.tech/documentation/developer-quickstart/payment-reminders.md): Send payment reminders to clients through text or e-mail - [Getting Started](https://docs.number.tech/documentation/getting-started.md): Before you get started - [Integration Checklist](https://docs.number.tech/documentation/getting-started/integration-checklist.md): The comprehensive checklist to integrating with Number - [Integration Options](https://docs.number.tech/documentation/getting-started/integration-options.md): Learn about how you can integrate with Number - [REST API](https://docs.number.tech/documentation/getting-started/integration-options/rest-api.md): Getting started with the REST API for Number - [Android SDK](https://docs.number.tech/documentation/getting-started/integration-options/android-sdk.md): Getting started with Android SDK for Number - [Ingenico](https://docs.number.tech/documentation/getting-started/integration-options/ingenico.md) - [Certificate Installation](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/certificate-installation.md): How to Download and Install, by Browser type - [Process a Card Sale](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/process-a-card-sale.md) - [Process a Combination Payment](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/process-a-combination-payment.md) - [Stored Card Only](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/stored-card-only.md) - [Get Device Configuration](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/get-device-configuration.md) - [Set Device Configuration](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/set-device-configuration.md) - [Reset the Device](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/reset-the-device.md) - [Check Device Status](https://docs.number.tech/documentation/getting-started/integration-options/ingenico/check-device-status.md) - [iOS SDK](https://docs.number.tech/documentation/getting-started/integration-options/ios-sdk.md): Getting started with iOS SDK for Number - [React Native Wrapper](https://docs.number.tech/documentation/getting-started/integration-options/react-native-wrapper.md) - [PayForm](https://docs.number.tech/documentation/getting-started/integration-options/payform.md): Getting started with PayForm for Number - [Apple Pay / Google Pay](https://docs.number.tech/documentation/getting-started/integration-options/payform/apple-pay-google-pay.md): Configuring your PayForm for integrated payments via the Apple and Google digital wallets - [Incremental Authorizations](https://docs.number.tech/documentation/getting-started/integration-options/payform/incremental-authorizations.md) - [Subscription](https://docs.number.tech/documentation/getting-started/integration-options/payform/subscription.md): The PayForm can be configured to collect subscription type payments. - [Verifone](https://docs.number.tech/documentation/getting-started/integration-options/verifone.md): Getting started with Verifone for Number - [Virtual Terminal](https://docs.number.tech/documentation/getting-started/integration-options/virtual-terminal.md): Getting started with Virtual Terminal for Number - [WooCommerce Plugin](https://docs.number.tech/documentation/getting-started/integration-options/woocommerce-plugin.md): Classic WooCommerce Payment Plugin for PayForm - [Text2Pay](https://docs.number.tech/documentation/getting-started/integration-options/text2pay.md) - [Basics](https://docs.number.tech/documentation/getting-started/basics.md): How to correctly integrate with Number and our backend - [Authentication](https://docs.number.tech/documentation/getting-started/basics/authentication.md): How to authenticate with the Number backend - [API Best Practices](https://docs.number.tech/documentation/getting-started/basics/api-best-practices.md): A list of best practices for working with the APIs - [API Input Validation](https://docs.number.tech/documentation/getting-started/basics/api-input-validation.md): Basic details about input validation in the APIs - [Testing Considerations](https://docs.number.tech/documentation/getting-started/basics/testing-considerations.md) - [Client Admin Portal Old](https://docs.number.tech/documentation/getting-started/client-admin-portal.md): Getting started with the Client Admin Portal - [Client Admin Portal](https://docs.number.tech/documentation/getting-started/client-admin-portal-1.md): Getting started with the Client Admin Portal - [Testing](https://docs.number.tech/documentation/testing.md): Test your integration before going live. - [Testing Overview](https://docs.number.tech/documentation/testing/testing-overview.md): Transaction and consent verification using the Virtual Terminal. - [Global Payments Testing](https://docs.number.tech/documentation/testing/global-payments-testing.md): Cards for testing, response code reference, and penny codes for Global Payments. - [First Data Testing](https://docs.number.tech/documentation/testing/first-data-testing.md): Cards for testing, response code reference, and penny codes for First Data. - [ACH Testing](https://docs.number.tech/documentation/testing/ach-testing.md): Response code reference for ACH. - [Resources](https://docs.number.tech/documentation/resources.md) - [Tools and Downloads](https://docs.number.tech/documentation/resources/tools-and-downloads.md): Compilation of all tools and downloads from the documentation - [Vocabulary](https://docs.number.tech/documentation/resources/vocabulary.md): A glossary of key payment terms and terms specific to Number - [Querying](https://docs.number.tech/documentation/resources/querying.md): Reference to the Number query language - [Error Codes](https://docs.number.tech/documentation/resources/error-codes.md): Links to error code reference - [Software Requirements](https://docs.number.tech/documentation/resources/software-requirements.md): Minimum software requirements for running Number services --- # Agent Instructions This documentation is published with GitBook. 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