Assertible website screenshot

Assertible

Assertible provides a reliable first line of defense against web service failures by providing simple and powerful assertions to test and monitor APIs. It enables automated API testing with assertions on response status, headers, body content, and performance, with integrations for CI/CD pipelines and notifications. Assertible supports scheduled API monitoring, deployment testing triggered via webhooks, and team collaboration for API quality assurance workflows. The platform integrates with GitHub, Slack, PagerDuty, and other tools for seamless notification and incident management.

Assertible publishes 1 API on the APIs.io network: Deployments API. Tagged areas include API Testing, Monitoring, Quality Assurance, Testing, and CI/CD.

Assertible’s developer surface includes authentication, developer portal, documentation, engineering blog, signup flow, and 5 more developer resources.

42.9/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
2 APIs 5 Features 3 Use Cases
API TestingMonitoringQuality AssuranceTestingCI/CD

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 42.9/100 · developing
Contract Quality 14.6 / 25
Developer Ergonomics 6.1 / 20
Commercial Clarity 10.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 6.9 / 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/assertible: 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 2

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

Assertible API

The Assertible API enables programmatic management of API tests, test suites, and monitoring configurations for automated quality assurance. It allows triggering test runs, mana...

Assertible Deployments API

Notify Assertible of deployments and trigger tests

Open Collections 1

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

Assertible API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Assertible Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Features 5

Notable capabilities this provider offers.

API Test Assertions

Define assertions on API response status codes, headers, response body content, JSON Schema compliance, and response time to validate API behavior.

Scheduled Monitoring

Run API tests on a scheduled basis (hourly, daily, etc.) to continuously monitor production APIs for availability and correctness.

Deployment Testing

Trigger Assertible test suites automatically after deployments via webhooks, ensuring API quality gates are enforced in CI/CD pipelines.

JSON Schema Validation

Validate API responses against JSON Schema definitions to ensure response payloads match expected data structures.

Team Collaboration

Share test suites and API monitoring configurations across teams with role-based access and shared notification channels.

Security Posture 2

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

Assertible Authentication

http · 1 scheme

SECURITY

Assertible Domain Security

TLSv1.2 · DMARC

SECURITY

Agentic Access 1

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

Assertible Agentic Access

1 operation · 1 acting

1 operations · 1 acting

AGENTIC

Use Cases 3

What developers build with this provider.

Post-Deployment Validation

Development teams trigger Assertible test suites after each deployment to verify APIs are functioning correctly before traffic shifts.

API Uptime Monitoring

Operations teams use scheduled Assertible tests to monitor API availability and receive alerts when endpoints fail.

API Contract Testing

QA teams use JSON Schema assertions to validate that API responses match documented contracts and catch breaking changes.

Integrations 4

Pre-built integrations with other platforms and tools.

GitHub

Integration with GitHub for triggering tests on pull requests and deployment events through GitHub Actions and webhooks.

Slack

Slack notifications for test failures, alerts, and monitoring events from Assertible test runs.

PagerDuty

PagerDuty integration for escalating API monitoring failures to on-call teams for incident response.

CircleCI

Integration with CircleCI pipelines for running Assertible test suites as part of continuous integration workflows.

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: assertible
name: Assertible
description: Assertible provides a reliable first line of defense against web service failures by providing simple and powerful
  assertions to test and monitor APIs. It enables automated API testing with assertions on response status, headers, body
  content, and performance, with integrations for CI/CD pipelines and notifications. Assertible supports scheduled API monitoring,
  deployment testing triggered via webhooks, and team collaboration for API quality assurance workflows. The platform integrates
  with GitHub, Slack, PagerDuty, and other tools for seamless notification and incident management.
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/assertible.png
tags:
- API Testing
- Monitoring
- Quality Assurance
- Testing
- CI/CD
created: '2025-01-08'
modified: '2026-04-19'
specificationVersion: '0.19'
url: https://raw.githubusercontent.com/api-evangelist/assertible/refs/heads/main/apis.yml
apis:
- aid: assertible:assertible-api
  name: Assertible API
  description: The Assertible API enables programmatic management of API tests, test suites, and monitoring configurations
    for automated quality assurance. It allows triggering test runs, managing webhooks, and accessing test results programmatically
    for CI/CD integration.
  humanURL: https://assertible.com/
  baseURL: https://api.assertible.com
  tags:
  - API Testing
  - Monitoring
  - Quality Assurance
  properties:
  - type: Documentation
    url: https://assertible.com/docs
  - type: GettingStarted
    url: https://assertible.com/docs/guide/getting-started
  - type: Authentication
    url: https://assertible.com/docs/guide/authentication
- aid: assertible:assertible-deployments-api
  name: Assertible Deployments API
  description: Notify Assertible of deployments and trigger tests
  humanURL: https://assertible.com/
  baseURL: https://api.assertible.com
  tags:
  - Deployments
  properties:
  - type: OpenAPI
    url: openapi/assertible-deployments-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/assertible-agentic-access.yml
- type: DomainSecurity
  url: security/assertible-domain-security.yml
- type: Authentication
  url: authentication/assertible-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/assertible
- type: Portal
  url: https://assertible.com/
  title: Assertible Website
- type: Documentation
  url: https://assertible.com/docs
  title: Documentation
- type: Blog
  url: https://assertible.com/blog
  title: Blog
- type: Signup
  url: https://assertible.com/signup
  title: Sign Up
- type: Login
  url: https://assertible.com/login
  title: Login
- type: GitHubOrganization
  url: https://github.com/assertible
  title: Assertible GitHub Organization
- type: Features
  data:
  - name: API Test Assertions
    description: Define assertions on API response status codes, headers, response body content, JSON Schema compliance, and
      response time to validate API behavior.
  - name: Scheduled Monitoring
    description: Run API tests on a scheduled basis (hourly, daily, etc.) to continuously monitor production APIs for availability
      and correctness.
  - name: Deployment Testing
    description: Trigger Assertible test suites automatically after deployments via webhooks, ensuring API quality gates are
      enforced in CI/CD pipelines.
  - name: JSON Schema Validation
    description: Validate API responses against JSON Schema definitions to ensure response payloads match expected data structures.
  - name: Team Collaboration
    description: Share test suites and API monitoring configurations across teams with role-based access and shared notification
      channels.
- type: UseCases
  data:
  - name: Post-Deployment Validation
    description: Development teams trigger Assertible test suites after each deployment to verify APIs are functioning correctly
      before traffic shifts.
  - name: API Uptime Monitoring
    description: Operations teams use scheduled Assertible tests to monitor API availability and receive alerts when endpoints
      fail.
  - name: API Contract Testing
    description: QA teams use JSON Schema assertions to validate that API responses match documented contracts and catch breaking
      changes.
- type: Integrations
  data:
  - name: GitHub
    description: Integration with GitHub for triggering tests on pull requests and deployment events through GitHub Actions
      and webhooks.
  - name: Slack
    description: Slack notifications for test failures, alerts, and monitoring events from Assertible test runs.
  - name: PagerDuty
    description: PagerDuty integration for escalating API monitoring failures to on-call teams for incident response.
  - name: CircleCI
    description: Integration with CircleCI pipelines for running Assertible test suites as part of continuous integration
      workflows.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com