Developer API
API key
A credential identifying and authenticating a software integration with an API.
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15 termsDeveloper API
API key rotation
Replacing an existing API credential with a fresh credential to limit risk or recover from possible exposure.
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API rate limit
A restriction on how many requests may be made to an API during a defined period.
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HMAC authentication
A message-authentication method that proves a request was signed with a shared secret and has not been silently altered.
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Idempotency key
A stable unique request identifier used to prevent accidental duplicate transactions when an operation is retried.
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IP allowlist
A list of trusted source IP addresses permitted to use a protected integration endpoint.
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IP allowlist
A list of trusted source IP addresses permitted to use a protected integration endpoint.
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Product availability
Information indicating whether an individual SKU can currently be ordered under applicable rules.
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Product ID
An identifier that uniquely refers to a parent catalogue product in an ordering system.
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Product input schema
A definition of which fields are required to order a particular digital product.
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Reseller API
An application programming interface that lets a merchant's software place and track reseller orders.
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REST API
A web interface that exposes resources and operations through standard HTTP requests and responses.
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Variation ID
An identifier representing a specific pack, denomination or variant under a product.
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Webhook
An HTTP callback sent to a configured endpoint when an event such as an order-status change occurs.
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Webhook signature
A cryptographic value that helps a receiving server verify the authenticity and integrity of a webhook.
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