Adyen Checkout API

Adyen Checkout API provides a simple and flexible way to initiate and authorise online payments. You can use the same integration for payments made with cards (including 3D Secure), mobile wallets,...

Auth

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HTTPS

Yes

CORS

Unknown

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1Forge Finance APIs

Stock and Forex Data and Realtime Quotes

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Abstract VAT Validation

Validate VAT numbers and calculate VAT rates

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Account and Transaction API Specification - UK

## Functionality at a glance The NBG "UK OPB - Account and Transaction v3.1.5" API follows the [UK Open Banking Specification v3.1.5](https://openbankinguk.github.io/read-write-api-site3/v3...

apiKeyHTTPS

Account API

This API is used for the classic integration. If you are just starting your implementation, refer to our [new integration guide](https://docs.adyen.com/marketplaces-and-platforms) instead. The Acc...

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Accounting API

A flexible API for pulling accounting data, normalized and aggregated from 20 accounting integrations. Standardize how you connect to your customers’ accounting software. View, create, update, and...

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Accounting API

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