# Akka

**Canonical:** https://apis.io/providers/akka/  
**Website:** https://akka.io/  
**APIs profiled:** 6

Akka is a toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications on the JVM using the actor model for Java and Scala. Maintained by Lightbend, Akka provides a comprehensive set of libraries including actors, HTTP, streams, cluster, persistence, and gRPC for building reactive, microservice-based architectures.

## Kin Score — 36.0 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.5 from 35.5).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 49.4 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

## Agent readiness — 23.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: medium).

## APIs (6)

- **Akka HTTP** — Akka HTTP is a full HTTP stack (client and server-side) built on Akka actors and streams. It provides a routing DSL for building REST and WebSocket services, with built-in JSON ...
- **Akka Streams** — Akka Streams is a library to process and transfer a sequence of elements using bounded buffer space, implementing the Reactive Streams specification for asynchronous stream proc...
- **Akka gRPC** — Akka gRPC provides support for building streaming gRPC servers and clients on top of Akka Streams, with code generation from protobuf definitions for both Java and Scala.
- **Akka Bootstrap API** — Cluster bootstrap discovery endpoints.
- **Akka Cluster API** — Cluster membership management endpoints.
- **Akka Health API** — Health check endpoints for liveness and readiness probes.

## Agentic access (1)

- **Akka Agentic Access** — 7 operations · 2 acting

## Security (2)

- **Akka Domain Security** — TLSv1.3 · HSTS · DMARC
- **Akka Trust Center** — SOC 2, ISO 27001, ISO 27018, PCI DSS, HIPAA, GDPR

## Plans (1)

- **Akka Plans Pricing**

## Use cases (4)

- **Microservices** — Teams build resilient, location-transparent microservices using Akka actors and HTTP with built-in backpressure and supervision.
- **Real-Time Data Processing** — Organizations process high-throughput event streams using Akka Streams with exactly-once processing guarantees.
- **Distributed State Management** — Applications maintain distributed mutable state using cluster sharding and distributed data without external coordination systems.
- **Event Sourcing** — Systems implement event sourcing and CQRS patterns using Akka Persistence with pluggable journal backends.

## Tags

Actor Model, Distributed Systems, Frameworks, Java, Microservices, Reactive, Scala

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/akka/). Scores are computed from the provider's own public artifacts under a published rubric.