# Orchestrapay resources

Guides, explainers and a glossary on payment orchestration, high-risk merchant accounts and card payments. Every page has a markdown twin at the same URL plus `.md`.

## Guides

- [Payment orchestration explained](https://www.orchestrapay.com/resources/guides/payment-orchestration-explained.md): What a payment orchestration platform does, how routing and failover work, and when a business should use more than one processor.

## High-risk payments

- [What is a high-risk merchant account?](https://www.orchestrapay.com/resources/high-risk/what-is-a-high-risk-merchant-account.md): What makes a business high risk to card acquirers, how high-risk merchant accounts differ, and how to get boarded and stay boarded.

## Glossary

- [BIN (Bank Identification Number)](https://www.orchestrapay.com/resources/glossary/bin.md): The first 6 to 8 digits of a card number, which identify the card's brand, type, issuing bank and country.
- [MATCH list](https://www.orchestrapay.com/resources/glossary/match-list.md): Mastercard's database of merchants whose accounts were terminated by an acquirer for specific reasons, checked by acquirers during underwriting.
- [Network token](https://www.orchestrapay.com/resources/glossary/network-token.md): A card-network issued replacement for a card number, stored by the merchant and updated by the network when the underlying card changes.
- [VAMP (Visa Acquirer Monitoring Program)](https://www.orchestrapay.com/resources/glossary/vamp.md): Visa's program that monitors fraud and dispute levels against card-not-present volume, for acquirers and the merchants they board.