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description=Reference for Nitric s Dart library - Register a handler for HTTP PUT requests to the route.;

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dart api route put nitric documentation foundations guides search search docs 1 9k search search docs introduction get started installation quick start guides foundations why nitric projects overview configuration infrastructure overview services resources security local development deployment architecture overview services apis schedules websockets websites storage key value stores async messaging queues topics sql databases secrets build apis batch ai ml hpc schedules websockets websites storage key value stores sql databases async messaging secrets deploy overview pulumi overview aws google cloud azure terraform overview aws google cloud azure service mappings aws apis batch schedules websockets websites storage key value stores sql databases topics queues secrets azure apis schedules websites storage key value stores sql databases topics queues secrets google cloud apis batch schedules websites storage key value stores sql databases topics queues secrets custom overview provider 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subscribe queues queue queue enqueue queue dequeue secrets secret secret put secret version secret latest secret version access storage bucket bucket on bucket file bucket files file read file write file delete file download_url file upload_url sql sql sql connection_string schedules schedule websockets websocket websocket on websocket send go overview resources newapi newjob newkv newqueue newsecret newsqldatabase newbucket newtopic newschedule newwebsocket apis api get api post api put api delete api patch api newroute api route all api route get api route post api route put api route delete api route patch batch job handler job submit key value stores kv get kv set kv delete kv keys topics topic publish topic subscribe queues queue enqueue queue dequeue secrets secret put secret accessversion secret access storage bucket on bucket listfiles bucket read bucket write bucket delete bucket downloadurl bucket uploadurl sql sqldatabase connectionstring schedules schedule every schedule cron websockets websocket on websocket send websocket close dart overview apis api api all api get api post api put api delete api patch api route api route all api route get api route post api route put api route delete api route patch batch job job handler job submit key value stores kv kv get kv set kv delete kv keys topics topic topic publish topic subscribe queues queue queue enqueue queue dequeue secrets secret secret put secret version secret latest secret version access storage bucket bucket on bucket file bucket files file exists file read file write file delete file getdownloadurl file getuploadurl sql sql sql connectionstring schedules schedule schedule every schedule cron websockets websocket websocket on websocket send websocket close reference cli preview features other config env vars custom service containers misc examples faq contributions support dart api route put dart api route put this is reference documentation for the nitric dart sdk to learn about apis in nitric start with the api docs register a handler for http put requests to the route copy copied import package nitric_sdk nitric dart final customersroute nitric api public route customers customersroute put ctx async construct response for the put customers request final responsebody ctx res json responsebody return ctx parameters name handler required required type httphandler description the middleware service to use as the handler for http requests examples register a handler for put requests copy copied import package nitric_sdk nitric dart final customersroute nitric api public route customers customersroute put ctx async construct response for the put customers request final responsebody ctx res json responsebody return ctx chain services as a single method handler when multiple services are provided they will be called as a chain if one succeeds it will move on to the next this allows middleware to be composed into more complex handlers you can call the next middleware in the chain using ctx next if a middleware in the chain does not call next and instead returns the base context the call chain will end copy copied import package nitric_sdk nitric dart future httpcontext validate httpcontext ctx async if ctx req headers containskey content type ctx res status 400 ctx res body header content type is required end the middleware chain by not calling ctx next return ctx return ctx next future httpcontext createorupdatecustomer httpcontext ctx async handle the put request return ctx next the validate middleware will run before all handlers that are created using this route final customersroute nitric api public route customers middlewares validate the validate middleware will run before the createorupdatecustomer handler customersroute put createorupdatecustomer access the request body the put request body is accessible from the ctx req object copy copied import package nitric_sdk nitric dart final customersroute nitric api public route customers customersroute put ctx async final customerdata ctx req json parase validate and store the request payload if it s available return ctx edit this page on github have feedback on this page open github issue last updated on jan 5 2026 on this page parameters examples edit this page on github 2026 nitric inc contributions support foundations guides follow us on x follow us on github join our discord server youtube