--- title: Type safe frontend APIs | daily.dev description: Protobuf and Connect enable type-safe API communication between frontend and backend by using schema-driven development. The tutorial demonstrates setting up a... canonical: https://daily.dev/posts/yzpnc4hai twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Type safe frontend APIs | daily.dev og:description: Protobuf and Connect enable type-safe API communication between frontend and backend by using schema-driven development. The tutorial demonstrates setting up a... og:url: https://daily.dev/posts/yzpnc4hai og:image: https://api.daily.dev/og/posts/yZPNC4HaI.png og:image:alt: Post cover image og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Type safe frontend APIs **[Go Developers](https://daily.dev/sources/golangnuts)** · [@func25](https://daily.dev/func25) · 1 upvotes · 0 comments ## Summary Protobuf and Connect enable type-safe API communication between frontend and backend by using schema-driven development. The tutorial demonstrates setting up a complete project with a Go backend and React frontend, including defining services in .proto files, generating type-safe client and server code using buf, implementing backend handlers, and creating frontend components that call APIs with full type safety. The approach provides cross-language compatibility, a single source of truth for API definitions, and eliminates common API integration issues. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Protobuf, JSON Schema, and OpenAPI · Buf](https://daily.dev/posts/protobuf-json-schema-and-openapi-buf-00wgyenfv) · Buf Blog · 7 upvotes · 0 comments - [The modern Protobuf workflow · Buf](https://daily.dev/posts/the-modern-protobuf-workflow-buf-c2m7gywhe) · Buf Blog · 1 upvotes · 0 comments - [Better than JSON](https://daily.dev/posts/better-than-json-d2je9kyed) · Hacker News · 250 upvotes · 22 comments - [ConnectRPC: Generate Typed SDKs from Your GraphQL API](https://daily.dev/posts/connectrpc-generate-typed-sdks-from-your-graphql-api-cgx6z8ayk) · WunderGraph · 9 upvotes · 0 comments - [Medium](https://daily.dev/posts/medium-tabvj9lmr) · Medium · 0 upvotes · 0 comments --- Tags: [#react](https://daily.dev/tags/react), [#backend](https://daily.dev/tags/backend), [#typescript](https://daily.dev/tags/typescript), [#golang](https://daily.dev/tags/golang), [#grpc](https://daily.dev/tags/grpc) [View this post on daily.dev](https://daily.dev/posts/yzpnc4hai) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/yzpnc4hai","headline":"Type safe frontend APIs","text":"Shared: Type safe frontend APIs","url":"https://daily.dev/posts/yzpnc4hai","datePublished":"2026-02-02T04:02:44.805Z","dateModified":"2026-02-02T04:03:24.170Z","author":{"@type":"Person","name":"Phuong Le","url":"https://daily.dev/func25","image":"https://media.daily.dev/image/upload/s--HbVBqLGd--/f_auto,q_auto/v1697862633/avatars/avatar_s1rxG2e5sEfVSY1wCzdr8","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":8575}},"image":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/z1Nygb5dd"},"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/golangnuts","name":"Go Developers"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Go Developers","item":"https://daily.dev/squads/golangnuts"},{"@type":"ListItem","position":3,"name":"Type safe frontend APIs"}]} ```