The Next.js app's API router has the ability to parse the incoming request body for post requests, however, it does not have the

In the process of developing an API using the next.js app router, I encountered an issue. Specifically, I was successful in parsing the data with const res = await request.json() when the HTTP request type was set to post. However, I am facing difficulties when the HTTP request is changed to get.

⨯ SyntaxError: Unexpected end of JSON input at JSON.parse (<anonymous>) at parseJSONFromBytes (node:internal/deps/undici/undici:6571:19) at successSteps (node:internal/deps/undici/undici:6545:27) at specConsumeBody (node:internal/deps/undici/undici:6551:9) at NextRequest.json (node:internal/deps/undici/undici:6442:18) at GET (webpack-internal:///(rsc)/./src/app/api/submit-lead-by-get-method/route.ts:12:31) Does anyone have insights on what might be causing this issue and how it can be resolved?

I find myself at a standstill here as I believe that regardless of the HTTP method used for the endpoint, the request should be able to parse the data without any hindrances.

javascripttypescriptnext.jsnext.js13

Answer №1

Generally, GET requests are not designed to include a body. While the HTTP specification may not explicitly prohibit it, it is not widely supported by client and server libraries.

The primary purpose of a GET request is to fetch data, rather than transmit it. If parameters are required, they should be included in the URL like this: 

http://example.com/api?param1=value1&param2=value2

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