MockAPI alternatives

Tools that do what MockAPI does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from MockAPI.

Read 2026-10-26

With a free plan or free to use: GitHub, Postman, IO Tools, Cloudflare, Brandfetch, Alchemy, AI-Native Cloud.

10 alternativesUnlike MockAPI

#1
GitHub Developer tools
Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.
Free planAlso: Workflow automation, Code generation
42M
From $4/user/mo
2007
#2
Postman Developer tools MCP · sign-in
Designs, tests, and manages APIs with integrated documentation, mocking, monitoring, and workflow automation.
Free planMore widely used
202k
Active
From $9/mo
2013
#3
Microsoft Developer tools
Sells Windows, Microsoft 365 and Azure cloud services, plus Surface devices and Xbox consoles.
More widely used
135M
Active
1975
#4
Qt Group Developer tools MCP · open
Builds cross-platform GUI applications with C++ and QML libraries, plus an IDE, a UI design tool and code analysis and GUI test suites.
Also: ComplianceOwn MCP server
464k
Maintained
1995
#5
Replit Developer tools
Builds and deploys web apps, websites, and agents from natural language descriptions.
Also: Agents, Code generationMore widely used
278k
Active
From $20/mo
#6
IO Tools Developer tools
Runs 1400 free online tools in your browser for converting, formatting, calculating, and generating data without signup.
Free planMore widely used
14.8k
Active
From $12 once
#7
Cloudflare Security MCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Free planAlso: Agents
4.9M
Active
From $20/mo
2009
#8
Brandfetch Developer tools
Provides API access to a database of brand logos, colors, and assets for integration into applications.
Free planMore widely used
1.2M
Active
From $99/mo
#9
Alchemy Developer tools MCP · sign-in
Provides node RPC endpoints, indexed blockchain data APIs, and wallet and transaction APIs across about 100 chains.
Free planMore widely used
174k
Active
From $0.53 per use
2017
#10
AI-Native Cloud Developer tools
Rents cloud virtual machines (Droplets), managed Kubernetes, databases, object storage and app hosting, plus GPU instances and model inference endpoints.
Free planAlso: Vector database
603k
Active
From $4/mo
2011

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How this list is made: the words MockAPI is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.