Relay App website screenshot

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, Workflow, Integration, No-Code, and AI.

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
51.3/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
3 APIs
AutomationWorkflowIntegrationNo-CodeAIWebhooks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 51.3/100 · developing
Contract Quality 19.3 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 8.3 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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.

Relay App Runs API

Operations for managing and inspecting workflow run instances

Relay App Webhooks API

Webhook trigger endpoints for initiating workflow runs

Relay App Workflows API

Operations for managing and triggering workflow runs

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Relay App Automation API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Relay App Plans Pricing

3 plans

PLANS

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.

Relay App Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Relay App Context

0 classes · 22 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Relay App API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Relay App API Rules

10 rules · 2 errors 7 warnings 1 info

SPECTRAL

JSON Schema 2

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

Relay App Workflow Run

7 properties

JSON SCHEMA

Relay App Workflow

7 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Relay App Workflow Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Relay App Approve Workflow Step Example

4 fields

EXAMPLE

Relay App Trigger Webhook Example

4 fields

EXAMPLE

Security Posture 2

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

Relay App Authentication

apiKey · 1 scheme

SECURITY

Relay App Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Relay App Agentic Access

8 operations · 3 acting

8 operations · 3 acting

AGENTIC

Resources

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
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
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
- 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: '0.19'
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:
  - 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