rails-api/active_model_serializers

Health v2 · maintenance only

Adoption not part of the score

5341 stars · 1371 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

ActiveModelSerializers is a Ruby library that provides an ActiveModel::Serializer implementation and Rails hooks for rendering model objects as JSON in Rails APIs. It supports multiple serialization formats including JSON:API and attributes-based output.

Use cases

• serialize Rails models to JSON responses
• build JSON:API compliant REST APIs in Rails
• control which attributes and associations are exposed in API responses
• replace default Rails JSON rendering with structured serializers
• version API payloads with different serializer adapters

When to choose

• you have an existing Rails app using AMS 0.10.x and want a stable, maintained serializer
• you need JSON:API or simple attribute serialization tightly integrated with Rails controllers
• your team already relies on ActiveModel::Serializer conventions

When to avoid

• you are starting a new project - the README points to alternatives since no 1.0 release is planned
• you need actively developed features or long-term new development
• you are not using Rails or ActiveModel

Facets

library · maturity maintenance

serialization middleware web-development backend apis ruby rails -serialization -api active-model api-serialization web-server

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