Market Data API
A market data API provides programmatic access to prices, quotes, trades, order books, volumes, instruments, and related financial market information. Production use…
Developers, APIs & Integrations
Developer tools, APIs, webhooks, SDKs and technical integrations.
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Merchant API
A merchant API lets a business integrate payment creation, status retrieval, transaction history, callbacks, and related merchant operations into its own systems.…
Merchant API Integration
A merchant API integration connects a business application to payment-provider endpoints so orders, payment requests, statuses, and records move reliably between systems.…
Merchant API Key
A merchant API key is a secret credential that identifies and authenticates a merchant application when it calls protected payment-provider endpoints. Merchant…
Merchant Automation
Merchant automation uses software rules and integrations to operate payment, order, customer, fulfillment, accounting, and support workflows with reduced manual handling. Merchant…
Merchant Callback
A merchant callback is a server-to-server message sent by a payment provider to a merchant endpoint when a transaction or payment state…
Merchant Integration
Merchant integration connects a seller’s checkout and operations with a payment service so transactions become reliable order and accounting outcomes. A dependable…
Merchant Plugin
A merchant plugin is packaged software that adds a payment or commerce service to an existing merchant platform with configurable integration logic.…
Merchant Webhook
Merchant Webhook is an asynchronous integration concept that delivers payment or account events from a provider to a merchant-controlled URL through asynchronous…
Message Queue
Message Queue is an infrastructure component that stores messages between producers and consumers so work can be processed asynchronously and temporary speed…
Mock Server
A Mock Server is a service that returns predefined or dynamically generated API responses without executing the real provider or backend workflow.…
Multi-Chain Integration
Multi-Chain Integration enables one application to operate on multiple blockchain networks, usually through chain-specific RPC endpoints, identifiers, assets, contract deployments, fee rules,…
Mutual TLS Client Authentication (mTLS)
Mutual TLS Client Authentication (mTLS) is an authentication method in which both sides of a TLS connection present and validate certificates, allowing…
Node.js Payment SDK
A Node.js payment SDK provides server-side JavaScript methods and models for creating, tracking, validating, and managing payment-provider operations. Node.js Payment SDK must…
OAuth 2.0
OAuth 2.0 is an authorization framework that lets a client obtain limited access to an HTTP service without receiving the resource owner’s…
OAuth Token Exchange
OAuth Token Exchange is an OAuth protocol for requesting a new security token based on another token, including delegation and impersonation scenarios.…
OpenAPI Document
An OpenAPI Document is a machine-readable description of an HTTP API written according to the OpenAPI Specification. It can define servers, paths,…
OpenAPI Specification
OpenAPI Specification is a standard, machine-readable description format for HTTP APIs, including paths, operations, parameters, schemas, responses, and security schemes. It is…
OpenCart Crypto Payment Plugin
An OpenCart crypto payment plugin connects store orders with cryptocurrency payment requests, checkout instructions, callbacks, confirmations, and order-status updates. OpenCart Crypto Payment…
Order API
An order API lets systems create, retrieve, update, cancel, and track commercial orders and their items, totals, customers, payments, and fulfillment state.…
Order Automation
Order automation uses software rules to create, validate, route, update, fulfill, notify, and reconcile orders with less manual intervention. Safe Order Automation…
Order Webhook
Order Webhook is an asynchronous integration concept that notifies another system when an order, line item, payment association, fulfillment stage, or cancellation…
Out-of-Order Webhook
An out-of-order webhook is an event delivered after a newer event for the same entity, so arrival order differs from business sequence.…
OxaPay API
The OxaPay API is OxaPay’s RESTful interface for integrating cryptocurrency payments, payouts, swaps, account data, and related operational workflows. Production use of…