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API client · Testfully

Testfully

API client with desktop and web apps, a free edition and offline workspaces that need no account.

68/100

#8 of 11 API clients
Facts checked 8 Oct 2026

In short

Testfully suits teams that want an API client with shared cloud workspaces and named security certifications1,8. The free edition covers offline use with no account and a command-line runner1. The catch: WebSocket and gRPC are not yet available, and the entry paid plan costs $14 per user a month1,3.

Best for: Teams that want shared cloud workspaces and published SOC 2 and ISO 27001 certifications.

Where the points come from

Systems10 of 10
Requests and protocols18 of 33
Your data16 of 22
Teams and trust12 of 16
Price12 of 19

Systems 10 of 10 points

RuleWhat is publishedPoints
Other systemsmacOS, Linux, Web appDesktop apps for Windows, macOS and Linux plus a web app at app.testfully.io2.6 / 6
Command-line runnerYesTestfully CLI runs exported requests and can be used in a CI/CD pipeline; the pricing page lists it on the Developer Edition6,1.4 / 4

Requests and protocols 18 of 33 points

RuleWhat is publishedPoints
Built-in protocolsGraphQLGraphQL is available; WebSocket and gRPC are marked coming soon; SSE is not listed3.3 / 12
Imports OpenAPIYesImports Swagger 2.0 and OpenAPI 3.0 and 3.1 files in JSON or YAML4.4 / 4
Scripts and testsYesBefore Request and After Response scripts, with Chai-based assertions through $.expect()5.8 / 8
Collection runnerYesCollection and Folder Runner runs requests in folder order, with serial, parallel and random modes7. Results display not stated; counted as a runner.3 / 3
Mock serversNot publishedNot published on the vendor's docs index, pricing or home page11,1,10.0 / 3
Publishes API docsNot publishedNot published on the vendor's docs index, pricing or home page11,1,10.0 / 3

Your data 16 of 22 points

RuleWhat is publishedPoints
Works without an accountYesThe pricing FAQ says the free edition gives anonymous access through offline workspaces, with no need to create an account1.8 / 8
Collections as plain filesYesTFML files are plain text for Git; Git Integration for offline workspaces is listed on the $14 Team plan9,1.8 / 8
Open-source appsNot publishedNot published on the vendor's pages; its GitHub organisation lists no repository for the apps12.0 / 6

Teams and trust 12 of 16 points

RuleWhat is publishedPoints
Shared team workspacesYesCloud workspaces with unlimited users per workspace, roles and folder access on Team1,10.7 / 7
SAML or OIDC single sign-onNot publishedPricing lists single sign-on with Google, GitHub, Microsoft, Okta, Azure and Ping, but does not name SAML or OIDC1.0 / 4
SOC 2 Type II or ISO 27001YesThe security page says Testfully achieved SOC 2 Type 2 and ISO 27001:2022 certifications8.5 / 5

Price 12 of 19 points

RuleWhat is publishedPoints
Free planYesDeveloper Edition is free, licensed for commercial use, with one offline and one cloud workspace1.10 / 10
Cheapest paid plan$14/moTeam Edition, $14 per user a month billed annually; the only paid plan below Enterprise1.2 / 9

The rule behind each line: how we score API clients.

Plans and prices

As the vendor lists them, before tax. Prices are in US dollars unless the plan shows euros; the points use US dollars, with euros converted at the ECB rate.

PlanPrice as listedPer monthNotes
Developer Edition1 personFree1$0One offline and one cloud workspace; up to 5 users per cloud workspace
Team EditionTeams$14/user/month, billed annually1$14Unlimited workspaces and users per workspace, roles, Git integration for offline workspaces
Enterprise EditionOrganisations$29/user/month, billed annually1$29Adds more single sign-on providers

Prices are per user a month on annual billing; the page shows a monthly toggle but lists no monthly-billed amounts1.

Strengths

  • Offline workspaces work without creating an account on the free edition1.
  • Collections can be stored as plain TFML text files and committed to Git, listed on the Team plan1,9.
  • Imports Postman, Insomnia, cURL and OpenAPI files4.
  • Names SOC 2 Type 2 and ISO 27001:2022 certifications8.
  • Scripts run before and after each request, with Chai assertions5.

Limits

  • WebSocket and gRPC request types are listed as coming soon3.
  • The entry paid plan is $14 per user a month, billed annually1.
  • The free edition allows one offline and one cloud workspace1.
  • Mock servers and API documentation publishing are not listed in the docs index11.
  • No public repository for the apps appears on the vendor's GitHub organisation12.

What Testfully says

Vendor claims. We show them, but they earn no points.

  • Testfully says its Developer Edition includes all core features1.

Other API clients

  1. 1
    InsomniaPeople who want an open-source client with GraphQL, gRPC, WebSocket and SSE screens
    85/100
    $10/mocheapest paid plan
  2. 2
    BrunoDevelopers who want collections in their own repository and no account
    82/100
    $6/mocheapest paid plan
  3. 3
    PostmanTeams that want shared workspaces, mock servers and published docs in one place
    78/100
    $9/mocheapest paid plan
  4. 4
    ApidogSmall teams that want design, testing, mocking and docs in one tool
    70/100
    $9/mocheapest paid plan

All 11 API clients

Sources

  1. Testfully pricing, Testfully. Accessed 8 Oct 2026.
  2. Download & Installation, Testfully. Accessed 8 Oct 2026.
  3. Requests, Testfully. Accessed 8 Oct 2026.
  4. Import from other tools, Testfully. Accessed 8 Oct 2026.
  5. Scripts, Testfully. Accessed 8 Oct 2026.
  6. Testfully CLI, Testfully. Accessed 8 Oct 2026.
  7. Collection & Folder Runner, Testfully. Accessed 8 Oct 2026.
  8. Testfully security, Testfully. Accessed 8 Oct 2026.
  9. TFML and Git, Testfully. Accessed 8 Oct 2026.
  10. Testfully home, Testfully. Accessed 8 Oct 2026.
  11. Testfully documentation, Testfully. Accessed 8 Oct 2026.
  12. Testfully on GitHub, GitHub. Accessed 8 Oct 2026.

Website: testfully.io · Markdown version · We are not affiliated with Testfully.