# linkedin/rest.li

Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.

Repository: https://github.com/linkedin/rest.li
Canonical: https://ross.abutalabs.com/products/restli
Language: Java
License: NOASSERTION
License Family: other
Archived: true
Last push: 2026-07-22T16:32:14+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 93, release rhythm 8, longevity 100
- inputs: {"age_days": 5024, "days_push": 42, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: archived, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2534, forks 563 (observed 2026-08-28T04:06:59.083703+00:00)

## What it is
Rest.li is a Java REST+JSON framework from LinkedIn for building robust, scalable service architectures with type-safe bindings, asynchronous non-blocking IO, and optional dynamic discovery with client-side load balancing. The project is deprecated: LinkedIn has migrated to gRPC and the repository will be archived (read-only) on July 22, 2026.

## Use cases
- build scalable REST+JSON microservices in Java
- generate type-safe client bindings for REST APIs
- implement non-blocking asynchronous server and client code
- add client-side load balancing and fault tolerance via dynamic discovery
- support batch operations, partial updates, and projections in REST APIs
- check backward compatibility of API changes
- maintain legacy LinkedIn-style service architectures

## When to choose
- maintaining or extending an existing Rest.li-based service
- working within a LinkedIn-style microservice ecosystem already using Pegasus artifacts
- you need its specific batch/projection REST semantics in a legacy codebase

## When to avoid
- starting any new project, since the framework is deprecated and will be archived
- you want long-term community support or new features
- you need streaming, multi-language support, or better performance - gRPC is LinkedIn's successor
- you want a lightweight REST framework without code generation

## Facets
- artifact type: framework
- maturity: abandoned
- function: web-framework, api-framework, http-server, http-client, rpc, middleware, routing, serialization
- domain: web-development, backend, apis, microservices, developer-tools
- platform: jvm, cross-platform
- tags: rest, rest-, async-io, service-architecture, dynamic-discovery, jax-rs, deprecated, linkedin, type-safe-bindings, load-balancing

## Member repositories
- linkedin/rest.li (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:59.083703+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:25:15.710951+00:00, confidence not recorded.
  - readme: https://github.com/linkedin/rest.li (fetched 2026-08-28T04:06:59.083703+00:00, sha 94bd98c24ccb)
- Data as of 2026-08-30T08:39:29.467469+00:00.