Seneca website screenshot

Seneca

Seneca is a microservices toolkit for Node.js that uses a pattern-matching approach to message handling. It provides transport independence, allowing services to communicate over HTTP, TCP, or message queues without changing business logic. Seneca emphasizes simplicity and composability through its plugin-based architecture.

Seneca publishes 1 API on the APIs.io network. Tagged areas include Frameworks, JavaScript, Message Handling, Microservices, and Node.js.

The Seneca catalog on APIs.io includes 1 Spectral governance ruleset.

Seneca’s developer surface includes getting-started guide and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
16.0/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemium
1 APIs
FrameworksJavaScriptMessage HandlingMicroservicesNode.jsPattern MatchingPlugins

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 16.0/100 · emerging
Contract Quality 2.0 / 25
Developer Ergonomics 2.4 / 20
Access Clarity 3.2 / 20
Operational Transparency 1.4 / 13
Contract Governance 1.2 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/seneca: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Seneca

Seneca is a microservices toolkit for Node.js that uses a pattern-matching approach to message handling. It provides transport independence, allowing services to communicate ove...

Pricing Plans 1

Published pricing tiers and plan structures.

Seneca Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Seneca Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Seneca Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Seneca API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Seneca Configuration

8 properties

JSON SCHEMA

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Seneca Domain Security

TLSv1.3

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository
 Plugins
Plugins

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

License
License

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: seneca
name: Seneca
description: Seneca is a microservices toolkit for Node.js that uses a pattern-matching approach to message handling. It provides
  transport independence, allowing services to communicate over HTTP, TCP, or message queues without changing business logic.
  Seneca emphasizes simplicity and composability through its plugin-based architecture.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/seneca.png
tags:
- Frameworks
- JavaScript
- Message Handling
- Microservices
- Node.js
- Pattern Matching
- Plugins
url: https://raw.githubusercontent.com/api-evangelist/seneca/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-03-26'
specificationVersion: '0.23'
apis:
- aid: seneca:seneca
  name: Seneca
  description: Seneca is a microservices toolkit for Node.js that uses a pattern-matching approach to message handling. It
    provides transport independence, allowing services to communicate over HTTP, TCP, or message queues without changing business
    logic. Seneca emphasizes simplicity and composability through its plugin-based architecture.
  humanURL: https://senecajs.org/
  tags:
  - Frameworks
  - JavaScript
  - Message Handling
  - Microservices
  - Node.js
  - Pattern Matching
  - Plugins
  properties:
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/seneca/refs/heads/main/json-schema/seneca-configuration.json
common:
- type: License
  name: MIT
  url: https://github.com/senecajs/seneca/blob/master/LICENSE
- type: DomainSecurity
  url: security/seneca-domain-security.yml
- type: Website
  url: https://senecajs.org/
- type: GettingStarted
  url: https://senecajs.org/getting-started/
- type: GitHubOrganization
  url: https://github.com/senecajs
- type: GitHubRepository
  url: https://github.com/senecajs/seneca
- type: Plugins
  url: https://senecajs.org/plugins/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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