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Postman vs String
Postman is an API design/testing tool, not a web-scraping service.
PostmanAPI platform for designing, testing and documenting APIs
StringWeb scraping API that accesses any page, even the hardest ones.Which to pick
Pick Postman if you want…
- Full-stack API lifecycle platform
- API development and testing
- The lower starting price: $9/month against $19/month
- Integrations with VS Code, Git or AWS (on Postman's list, not String's)
Pick String if you want…
- Single-call web scraping for hard-to-reach pages
- Open-source code (usestring/string-ai-mcp on GitHub, MIT license)
- Integrations with cURL, Python or Node (on String's list, not Postman's)
Side by side
- What it is
- Postman:Postman is an API platform for designing, testing, documenting, and monitoring APIs.
- String:String provides a web-scraping API that returns clean, fully rendered page content with a single HTTP call.
- Best for
- Postman:Full-stack API lifecycle platform
- String:Single-call web scraping for hard-to-reach pages
- Who it’s for
- Postman:Developers and teams building, testing, and managing APIs.
- String:AI app developers, GTM engineers, data providers, and solo developers needing reliable scraping.
- Pricing
- Postman:Freemium
- String:Freemium
- Plans
- Postman:Free $0 · Solo $9 per month (billed annually) · Team $19 per user/month (billed annuall
- String:Free $0 · Starter $19 per month · Growth $99 per month · Scale $499 per month · Volume $999 per month
- Open source
- Postman:—
- String:Yes, 5 GitHub stars
- Works with
- Postman:VS Code, Git, AWS, Postman CLI, Postman API
- String:cURL, Python, Node
Postman features
- API design & discovery. Create, version, and explore APIs with the Context Graph and API discovery tools.
- Automated testing. Generate collections, run automated tests, and perform performance testing with unlimited runners.
- Mock servers. Spin up mock servers to simulate APIs before they exist.
- API monitoring. Monitor live endpoints for uptime, drift, and performance metrics.
- CI/CD integration. Run collection and governance checks on every commit via Postman CLI and integrations.
String features
- One-call fetch. Send a URL and receive clean, rendered content without managing proxies or browsers.
- Warm browser pools. Keeps browsers warm to avoid cold spin-up latency, achieving 0.41s p50 latency.
- Anti-bot bypass. Handles Cloudflare, DataDome, PerimeterX, Akamai, Kasada and CAPTCHA challenges automatically.
- Scalable concurrency. Supports up to 10,000 fetches and 5,000 browser sessions concurrently on every plan.
- Pay-only-on-success. Only billed when the request returns a successful response; blocked requests are free.
- MCP integration. Can be added to AI agents via MCP for use in Claude, ChatGPT, Cursor, Perplexity, etc.
Postman vs String FAQ
Is Postman or String free?+
Postman has a free plan; paid plans start at $9/month (Solo). String has a free plan; paid plans start at $19/month (Starter).
Which is cheaper, Postman or String?+
Postman is cheaper to start with: Postman's Solo plan ($9/month) against String's Starter plan ($19/month).
Is Postman or String open source?+
String is open source (usestring/string-ai-mcp on GitHub, MIT license). DevHunt has no public source repository on record for Postman.
Do Postman and String integrate with the same tools?+
Their integration lists don't overlap: Postman lists VS Code, Git, AWS, Postman CLI and 1 more; String lists cURL, Python and Node.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.