REST API

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rest-api

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Struct Tags for JSON Marshalling

Struct tags tell `encoding/json` how to map Go fields to JSON keys. This snippet covers the canonical tag forms (`json:"name"`, `json:"name,omitempty"`, `json:"-"`), embedded structs, and unmarshalling JSON back into a struct. Use these to produce idiomatic snake_case JSON from Go's PascalCase fields without writing a custom marshaller.

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gRPC vs REST Tradeoff Quiz

A 4-question reference set comparing gRPC and REST on the dimensions that matter at interview time: latency overhead, call types, schema evolution, and observability. Pick the right tool for the workload.

473

4.3 (12)

Apr 8, 2026

by CodeSnatch

Article

Pagination Strategies: Offset, Cursor, and Keyset

Offset is the default that breaks under load. Keyset is what you want for most lists. Cursor is keyset wearing a public costume. Pick deliberately, not by ORM defaults.

378

4.2 (13)

Mar 21, 2026

by @amaragupta

Article

Error Handling in REST APIs: The Shape I Settled On

RFC 7807 plus a code, requestId, errors array, and documentationUrl. The eight fields earning their keep, the status codes everyone confuses, and what changed my mind across four APIs.

492

Jan 14, 2026

by @leoeriksson

Article

API Versioning Strategies Without the Pain

Pick a versioning strategy on the day you ship the first version. URI versioning is the safe default, calendar dating is the gold standard, and your first release IS a contract.

509

Nov 21, 2025

by @khalidcooper