Breaking Change
Breaking Change is a technical interface or data-contract concept that alters an interface or behavior so existing consumers may fail, misinterpret results,…
Developers, APIs & Integrations
Developer tools, APIs, webhooks, SDKs and technical integrations.
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Terms (302)
Cache-Control Header
Cache-Control Header is an HTTP header that communicates caching directives for a request or response, including whether content may be stored, reused,…
Caching
Caching is the practice of storing a reusable copy of data or a computed response so later requests can be served with…
Callback
Callback is an asynchronous invocation or message sent after another operation reaches a relevant event or result. It is used to let…
Callback Event
Callback Event is the structured event message delivered through a callback when a monitored operation changes state or reaches a defined condition.…
Callback Handler
Callback Handler is the server-side component that receives, validates, records, and processes callback requests. It is used to translate external asynchronous messages…
Callback Response
Callback Response is the HTTP or protocol result returned by a callback receiver to acknowledge, reject, or describe handling of a delivery…
Callback Retry
Callback Retry is a repeated delivery attempt made after a callback did not receive the expected successful acknowledgment. It is used to…
Callback URL
Callback URL is the destination URL supplied or configured so another system can send an asynchronous result or event back to an…
Callback Verification
Callback Verification is the process of confirming that a callback is authentic, intact, timely, and connected to a valid expected object or…
Certificate Authentication
Certificate Authentication is an authentication method that verifies a client, server, device, or workload through possession of a private key associated with…
Certificate Pinning
Certificate Pinning is a client security technique that restricts a connection to an expected certificate or public key instead of trusting any…
Checkout API
A checkout API lets an application create and manage the payment session, amounts, currencies, customer context, and status behind a checkout experience.…
Checkout Plugin
Checkout Plugin is a developer integration component that adds payment or order-completion functionality to an existing commerce platform without requiring the merchant…
Checkout Webhook
A checkout webhook is a signed server notification reporting a checkout session or payment event to the merchant’s backend application. A reliable…
Circuit Breaker
Circuit Breaker is a resilience control that temporarily stops calls to a failing or overloaded dependency after defined failure conditions are reached.…
Client Certificate
A client certificate is an X.509 digital certificate presented by a client during a TLS connection so the server can authenticate the…
Client ID
Client ID is a public identifier assigned to an OAuth client so the authorization server can distinguish the requesting application and apply…
Client Secret
Client Secret is a confidential credential used by an OAuth client to authenticate itself to an authorization server when the client can…
Commerce Integration
Commerce Integration is the connection of a store, marketplace, application, or billing workflow to payment, order, customer, inventory, and fulfillment services. In…
Content-Type Header
Content-Type Header is an HTTP representation header that identifies the media type and relevant parameters of the message body being sent. Content-Type…
Contract Call
A contract call is an interaction with a smart contract function through a blockchain node or wallet provider. It can read state…
Correlation ID
Correlation ID is an identifier propagated across related requests, messages, logs, and services so operators can reconstruct one distributed business or technical…
Cross-Chain Integration
Cross-Chain Integration connects an application to assets, messages, or workflows that move or coordinate across two or more blockchain networks. It may…