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Head-to-head · API Monitoring Tools

Checkly vs Postman

  • Updated Nov 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Checkly #4 in API Monitoring Tools 9.1/10 Free plan Free plan✓ 0 of 4 features Visit Checkly
Postman #6 in API Monitoring Tools 8.9/10 Free plan Free plan✓ 0 of 4 features Visit Postman

Checkly leads on 0 checks, Postman on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCheckly · 9.1/10
  • Lowest starting pricePostman · $9/mo
  • Free planboth

Checkly scores higher on our rubric for api monitoring tools: 9.1 against 8.9 out of 10; our editors rank them #4 and #6.

Postman is cheaper to start at $9/mo against $24/mo.

Checkly is the better fit for API plus full-stack synthetic monitoring. Postman is the better fit for API development teams needing monitoring.

  • Checkly fits best

    API plus full-stack synthetic monitoring

  • Postman fits best

    API development teams needing monitoring

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Checkly 9.1/10 Visit ↗ Postman 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #4 in API Monitoring Tools #6 in API Monitoring Tools
Best for API plus full-stack synthetic monitoring API development teams needing monitoring
Pricing model Free plan + paid Free plan + paid
Starting price $24/mo $9/mo (best)
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Desktop, Browser extension
Platforms Web Web, Windows, macOS, Linux, Chrome extension
Support Email, Live chat, Community, Docs · 24/7 Tickets, Community, Docs
Compliance SOC 2, GDPR, SSO/SAML, 2FA SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
Integrations 20 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Checkly 0/4 · Postman 0/4
Response assertions Not checked yet Not checked yet
Multi-region checks Not checked yet Not checked yet
Private locations Not checked yet Not checked yet
Incident workflows Not checked yet Not checked yet
Specs
Check frequency 10 sec Not checked yet
Monitor limit Not checked yet Not checked yet
Our review
Pros
  • API, multistep, browser, Playwright, and infrastructure checks
  • Free Hobby plan with uptime monitoring and core alerting
  • Monitoring as code with CLI, Terraform, and Pulumi
  • Supports HTTP, GraphQL, gRPC, WebSocket, and MQTT requests
  • Combines scheduled runs, CI/CD, mock servers, and API specifications
  • Offers a free plan plus annual-billed paid tiers
Cons
  • Starter begins at $24 per month
  • The wider scope may exceed simple API monitoring needs
  • Private locations start on the Team plan
  • API monitoring is less specialized than dedicated monitoring tools
  • Advanced governance and audit reporting require Enterprise
  • Postman is proprietary rather than open source
Our verdict

Checkly is a cloud monitoring platform for developers, SREs, and QA teams that need to monitor APIs, websites, services, scheduled jobs, network paths, and infrastructure from global locations. Its API and multistep checks support…

Read the review →

Postman is an API platform for developers and teams building, testing, documenting, and collaborating on APIs. Its API Client sends and inspects requests across HTTP, GraphQL, gRPC, WebSocket, and MQTT. Collections bring requests,…

Read the review →
  1. ChecklyAPI Monitoring Tools 9.1Free plan
  2. PostmanAPI Monitoring Tools 8.9Free plan

Strengths and trade-offs

  • Checkly — where it wins

    • API, multistep, browser, Playwright, and infrastructure checks
    • Free Hobby plan with uptime monitoring and core alerting
    • Monitoring as code with CLI, Terraform, and Pulumi

    Where it doesn't

    • Starter begins at $24 per month
    • The wider scope may exceed simple API monitoring needs
    • Private locations start on the Team plan

  • Postman — where it wins

    • Supports HTTP, GraphQL, gRPC, WebSocket, and MQTT requests
    • Combines scheduled runs, CI/CD, mock servers, and API specifications
    • Offers a free plan plus annual-billed paid tiers

    Where it doesn't

    • API monitoring is less specialized than dedicated monitoring tools
    • Advanced governance and audit reporting require Enterprise
    • Postman is proprietary rather than open source
  • Checkly9.1/10 · Free plan

    A broad monitoring platform for API checks, synthetic journeys, infrastructure, and alerting.

    Visit ChecklyFull verdict →
  • Postman8.9/10 · Free plan

    A broad API development platform with monitoring, testing, mocks, specifications, and CI/CD.

    Visit PostmanFull verdict →

More comparisons

All API monitoring tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update