# Toggle Developers

## Toggle Developers

- [Welcome](https://developers.usetoggle.com/master.md): New to developing with Toggle? Jump in here.
- [Getting started](https://developers.usetoggle.com/graphql/getting-started.md): With our GraphQL API
- [Exploring our API](https://developers.usetoggle.com/graphql/exploring-our-api.md): We have an API explorer and playground.
- [Authentication](https://developers.usetoggle.com/graphql/authentication.md): How to retrieve and use a bearer token.
- [Pagination / Throttling](https://developers.usetoggle.com/graphql/pagination-throttling.md)
- [Error handling](https://developers.usetoggle.com/graphql/error-handling.md): How Toggle returns error responses
- [Overview](https://developers.usetoggle.com/key-concepts/overview.md): Orders, Transactions, Line Items and more
- [Orders, Transactions & Line Items](https://developers.usetoggle.com/key-concepts/overview/orders-transactions-and-line-items.md): Some useful key structures and terms
- [Card number formats](https://developers.usetoggle.com/key-concepts/overview/card-numbers.md)
- [Tender vs Discount](https://developers.usetoggle.com/key-concepts/overview/tender-vs-discount.md)
- [Create a card](https://developers.usetoggle.com/basics/create-a-card.md): Simple card creation
- [Custom validity rules](https://developers.usetoggle.com/basics/create-a-card/custom-validity-rules.md)
- [Balance Check](https://developers.usetoggle.com/basics/card-balance.md)
- [Redeem / Top up a card](https://developers.usetoggle.com/basics/redeem-a-card.md)
- [Reversals](https://developers.usetoggle.com/reversals.md)
- [Overview](https://developers.usetoggle.com/webhooks/overview.md)
- [Getting started](https://developers.usetoggle.com/webhooks/overview/getting-started.md)
- [Authentication & responses](https://developers.usetoggle.com/webhooks/overview/authentication-and-responses.md)
- [Events](https://developers.usetoggle.com/webhooks/events.md)
- [Card.balance\_adjusted](https://developers.usetoggle.com/webhooks/events/card.balance_adjusted.md)
- [Card.card\_reference\_updated](https://developers.usetoggle.com/webhooks/events/card.card_reference_updated.md)
- [Card.expiry\_reminder](https://developers.usetoggle.com/webhooks/events/card.expiry_reminder.md)
- [Card.registered](https://developers.usetoggle.com/webhooks/events/card.registered.md)
- [Card.send\_recipient\_email](https://developers.usetoggle.com/webhooks/events/card.send_recipient_email.md)
- [Card.resend\_recipient\_email](https://developers.usetoggle.com/webhooks/events/card.resend_recipient_email.md)
- [Order.created](https://developers.usetoggle.com/webhooks/events/order.created.md)
- [Order.cancelled](https://developers.usetoggle.com/webhooks/events/order.cancelled.md)
- [Order.send\_receipt\_email](https://developers.usetoggle.com/webhooks/events/order.send_receipt_email.md)
- [Order.send\_cancellation\_email](https://developers.usetoggle.com/webhooks/events/order.send_cancellation_email.md)
- [Payment.failed](https://developers.usetoggle.com/webhooks/events/payment.failed.md)
- [Payment.review\_opened](https://developers.usetoggle.com/webhooks/events/payment.review_opened.md)
- [Fulfilment.dispatched](https://developers.usetoggle.com/webhooks/events/fulfilment.dispatched.md)
- [EPOS & Ordering](https://developers.usetoggle.com/partner-guides/epos-and-ordering.md): If you're an EPOS or Ordering partner, start here.
- [Overview](https://developers.usetoggle.com/partner-guides/epos-and-ordering/overview.md)
- [Accreditation](https://developers.usetoggle.com/partner-guides/epos-and-ordering/accreditation.md)
- [Configuration variables](https://developers.usetoggle.com/partner-guides/epos-and-ordering/configuration-variables.md)
- [Create a card](https://developers.usetoggle.com/partner-guides/epos-and-ordering/physical-card-orders.md)
- [Balance check](https://developers.usetoggle.com/partner-guides/epos-and-ordering/balance-check.md)
- [Redemptions & top-ups](https://developers.usetoggle.com/partner-guides/epos-and-ordering/redemptions-and-top-ups.md)
- [Reversing an order](https://developers.usetoggle.com/partner-guides/epos-and-ordering/cancelling-a-card.md)
- [Guest gratuity](https://developers.usetoggle.com/partner-guides/guest-gratuity.md)
- [Overview](https://developers.usetoggle.com/partner-guides/guest-gratuity/overview.md)
- [Accreditation](https://developers.usetoggle.com/partner-guides/guest-gratuity/accreditation.md)
- [Configuration variables](https://developers.usetoggle.com/partner-guides/guest-gratuity/configuration-variables.md)
- [Creating a card](https://developers.usetoggle.com/partner-guides/guest-gratuity/creating-a-card.md)
- [Reversing an order](https://developers.usetoggle.com/partner-guides/guest-gratuity/cancelling-a-card.md)
- [CRM](https://developers.usetoggle.com/partner-guides/crm.md)
- [Overview](https://developers.usetoggle.com/partner-guides/crm/overview.md)
- [Historic data via GraphQL](https://developers.usetoggle.com/partner-guides/crm/historic-data-via-graphql.md)
- [Real time data via webhooks](https://developers.usetoggle.com/partner-guides/crm/real-time-data-via-webhooks.md)
- [Custom Web shops](https://developers.usetoggle.com/partner-guides/custom-web-shops.md)
- [Overview](https://developers.usetoggle.com/partner-guides/custom-web-shops/overview.md)
- [Accreditation](https://developers.usetoggle.com/partner-guides/custom-web-shops/accreditation.md)
- [Configuration variables](https://developers.usetoggle.com/partner-guides/custom-web-shops/configuration-variables.md)
- [Create a card](https://developers.usetoggle.com/partner-guides/custom-web-shops/create-a-card.md)
- [Reversing an order](https://developers.usetoggle.com/partner-guides/custom-web-shops/cancelling-a-card.md)