JSON as a Data Exchange Format: From REST to Webhooks
JSON as a data exchange format: from REST APIs to webhooks to message queues. Covers content negotiation, versioning, and schema compatibility.
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Tags: json, api, developer-tools
JSON as a Data Exchange Format: From REST to Webhooks JSON won the data exchange format war years ago. XML still exists in SOAP services and some enterprise integrations, but every new API you will interact with in 2024 speaks JSON by default. The interesting questions are not whether to use JSON, but how to use it correctly across the different contexts where data exchange happens: HTTP APIs, webhooks, and message queues. Content Negotiation: Accept and Content-Type HTTP provides a built-in mechanism for clients and servers to negotiate data formats — content negotiation via the and headers. A well-behaved JSON API should handle both. When making a request, the header tells the server what format the client can handle: For , any JSON-capable server should respond with: If the server…
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