toolgrep / APIs & backend / Postman
Alternatives to Postman
Postman: API engineering for your agents. 8 products similar to Postman, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 7 of 8 have an API, 8 of 8 offer an MCP server, 2 of 8 are open source.
- Insomnia
Collaborative API development platform for designing, debugging, and testing APIs
- Mockfly
Hosted mock API generator for frontend teams
- Firecrawl
Web data API for AI agents
- Beeceptor
API mocking and service virtualization platform for REST, GraphQL, SOAP, and gRPC
- Deployment.io
Software built and deployed to your specification
- Composio
Integration and tool-execution platform giving AI agents secure access to 1,500+ apps
- Geekflare API
Web scraping, search, and screenshot APIs for AI agents and developers
- Tavily
Real-time search engine and web access API for AI agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Postman | Freemium · from $9 | yes | yes | yes | yes | no |
| Insomnia | Freemium | yes | no | yes | no | yes |
| Mockfly | Freemium | yes | yes | yes | no | no |
| Firecrawl | Freemium | yes | yes | yes | yes | yes |
| Beeceptor | Freemium | yes | yes | yes | — | no |
| Deployment.io | Freemium | yes | yes | yes | no | no |
| Composio | Freemium · from $0 | yes | yes | yes | yes | no |
| Geekflare API | Freemium · from $0 (Free, 500 credits/month); paid plans from $19/mo; credit packs from $10 | yes | yes | yes | yes | no |
| Tavily | Freemium | yes | yes | yes | yes | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/postman/alternatives