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A web service to initiate and authorise payments with Adyen Checkout. You can use the same integration for payments made with cards (including One-Click and 3D Secure), mobile wallets, and local payment methods (e.g. iDEAL and Sofort). For more information, refer to [Checkout documentation](https://docs.adyen.com/developers/checkout).

A set of API endpoints that allow you to initiate, settle, and modify payments on the Adyen payments platform. You can use the API to accept card payments (including One-Click and 3D Secure), bank transfers, ewallets, and many other payment methods. For more information, refer to [Ecommerce integration](https://docs.adyen.com/developers/ecommerce-integration).

Additional methods that allow you to manage payment details stored for recurring payments. For more information, refer to [Recurring payments](https://docs.adyen.com/developers/features/recurring-payments).


# Introduction The Rebilly API is built on HTTP. Our API is RESTful. It has predictable resource URLs. It returns HTTP response codes to indicate errors. It also accepts and returns JSON in the HTTP body. You can use your favorite HTTP/REST library for your programming language to use Rebilly's API, or you can use one of our SDKs (currently available in [PHP](https://github.com/Rebilly/rebilly-php) and [Javascript](https://github.com/Rebilly/rebilly-js-sdk). We have other APIs that are also available. Every action from our [app](https://app.rebilly.com) is supported by an API which is documented and available for use so that you may automate any workflows necessary. This document contains the most commonly integrated resources. # Authentication When you sign up for an account, you are given your first API key. You can generate additional API keys, and delete API keys (as you may need to rotate your keys in the future). You authenticate to the Rebilly API by providing your secret key in the request header. Rebilly offers three forms of authentication: private key, JSON Web Tokens, and public key. - private key: authenticates each request by searching for the presence of an HTTP header: REB-APIKEY. - JWT: authenticates each request by the HTTP header: Authorization. - public key: authenticates by the HTTP header: REB-AUTH (read more on this below). Rebilly also offers JSON Web Tokens (JWT) authentication, where you can control the specific granular permissions and expiration for that JWT. We call our resource for generating JWT [Sessions](#tag/Sessions). Rebilly also has a client-side authentication scheme that uses an apiUser and HMAC-SHA1 signature (only for the Tokens resource), so that you may safely create tokens from the client-side without compromising your secret keys. Never share your secret keys. Keep them guarded and secure. The client-side authentication scheme uses one HTTP header named REB-AUTH. # PHP SDK For all PHP SDK examples provided in this spec you will need to configure `$client`. You may do it like this: ```php $client = new Rebilly\Client([ 'apiKey' => 'YourApiKeyHere', 'baseUrl' => 'https://api.rebilly.com', ]); ```

This is an API designed for merchants who are using SpectroCoin services and wishes to integrate them locally.

Client library for accessing the Square Connect APIs

Taxamo’s elegant suite of APIs and comprehensive reporting dashboard enables digital merchants to easily comply with EU regulatory requirements on tax calculation, evidence collection, tax return creation and data storage.

8 api specs