Relay App

Relay.app is an AI-powered workflow automation platform that converts plain language into reliable visual workflows across 200+ app integrations. It supports webhook triggers, custom HTTP requests, scheduled automation, human-in-the-loop approval workflows, and MCP server tooling for AI agent integration. Developer features include API-triggered workflows, custom JavaScript execution, and integration with OpenAI, Anthropic, and other AI providers.

Relay App publishes 3 APIs on the APIs.io network: Runs API, Webhooks API, and Workflows API. Tagged areas include Automation, Workflows, Integration, No-Code, and Artificial Intelligence.

The Relay App catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Relay App’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

37.9/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessFreemiumSelf serve⚡ Free to try

3 APIs

Automation Workflows Integration No-Code Artificial Intelligence Webhook

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 37.9/100 · thin

Contract Quality 17.8 / 25

Developer Ergonomics 4.3 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.0 / 13

Contract Governance 3.5 / 12

Discoverability 8.2 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 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

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/relay-app: 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 3

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

Rate Limits 1

Documented rate limits and quota policies.

Relay App Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 2

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

Examples 2

Example request and response payloads for these APIs.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

JSONLDContext

JSONLDContext

Vocabulary

Vocabulary

SpectralRules

SpectralRules

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: relay-app
name: Relay App
description: Relay.app is an AI-powered workflow automation platform that converts plain language into reliable visual workflows
  across 200+ app integrations. It supports webhook triggers, custom HTTP requests, scheduled automation, human-in-the-loop
  approval workflows, and MCP server tooling for AI agent integration. Developer features include API-triggered workflows,
  custom JavaScript execution, and integration with OpenAI, Anthropic, and other AI providers.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/relay-app.png
tags:
- Automation
- Workflows
- Integration
- No-Code
- Artificial Intelligence
- Webhook
tags_raw:
- Automation
- Workflow
- Integration
- No-Code
- AI
- Webhooks
url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/apis.yml
created: '2026-03-16'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: relay-app:relay-app-runs-api
  name: Relay App Runs API
  description: Operations for managing and inspecting workflow run instances
  humanURL: https://docs.relay.app/
  baseURL: https://api.relay.app
  tags:
  - Runs
  properties:
  - type: OpenAPI
    url: openapi/relay-app-runs-api-openapi.yml
  - type: Documentation
    url: https://docs.relay.app/
  - type: Webhook Documentation
    url: https://docs.relay.app/triggers/webhook-trigger
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-run-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-structure/relay-app-workflow-structure.json
- aid: relay-app:relay-app-webhooks-api
  name: Relay App Webhooks API
  description: Webhook trigger endpoints for initiating workflow runs
  humanURL: https://docs.relay.app/
  baseURL: https://api.relay.app
  tags:
  - Webhook
  tags_raw:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/relay-app-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.relay.app/
  - type: Webhook Documentation
    url: https://docs.relay.app/triggers/webhook-trigger
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-run-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-structure/relay-app-workflow-structure.json
- aid: relay-app:relay-app-workflows-api
  name: Relay App Workflows API
  description: Operations for managing and triggering workflow runs
  humanURL: https://docs.relay.app/
  baseURL: https://api.relay.app
  tags:
  - Workflows
  properties:
  - type: OpenAPI
    url: openapi/relay-app-workflows-api-openapi.yml
  - type: Documentation
    url: https://docs.relay.app/
  - type: Webhook Documentation
    url: https://docs.relay.app/triggers/webhook-trigger
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-schema/relay-app-workflow-run-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-structure/relay-app-workflow-structure.json
common:
- type: AgenticAccess
  url: agentic-access/relay-app-agentic-access.yml
- type: DomainSecurity
  url: security/relay-app-domain-security.yml
- type: Authentication
  url: authentication/relay-app-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/tryrelayapp
- type: Website
  url: https://www.relay.app
- type: Documentation
  url: https://docs.relay.app/
- type: Integrations
  url: https://www.relay.app/apps
- type: Blog
  url: https://www.relay.app/blog
- type: Features
  url: https://www.relay.app/features
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/json-ld/relay-app-context.jsonld
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/vocabulary/relay-app-vocabulary.yml
- type: SpectralRules
  url: https://raw.githubusercontent.com/api-evangelist/relay-app/refs/heads/main/rules/relay-app-rules.yml
- type: LlmsText
  url: https://docs.relay.app/llms.txt
integrations:
- name: Leave a review
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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Relay App

APIs 3

Open Collections 5

Pricing Plans 1