Compare
NumRadar vs Postman
Postman is an API testing tool, not a validation service for WhatsApp numbers.
NumRadarWhatsApp number validation via API, bulk tools and AI agents
PostmanAPI platform for designing, testing and documenting APIsWhich to pick
Pick NumRadar if you want…
- WhatsApp registration checks for bulk contacts
Pick Postman if you want…
- Full-stack API lifecycle platform
- Designing and testing APIs
- A free plan to start with
Side by side
- What it is
- NumRadar:NumRadar validates if phone numbers are registered on WhatsApp via API, bulk upload, AI agents, or Chrome extension.
- Postman:Postman is an API platform for designing, testing, documenting, and monitoring APIs.
- Best for
- NumRadar:WhatsApp registration checks for bulk contacts
- Postman:Full-stack API lifecycle platform
- Who it’s for
- NumRadar:Developers and teams needing WhatsApp registration status for outreach campaigns.
- Postman:Developers and teams building, testing, and managing APIs.
- Pricing
- NumRadar:Paid
- Postman:Freemium
- Plans
- NumRadar:—
- Postman:Free $0 · Solo $9 per month (billed annually) · Team $19 per user/month (billed annuall
- Works with
- NumRadar:—
- Postman:VS Code, Git, AWS, Postman CLI, Postman API
NumRadar features
- REST API. Check a single number in real-time and receive JSON with WhatsApp status.
- Bulk CSV Upload. Upload a spreadsheet, deduplicate, and get registration results for up to 5-300k numbers per month.
- AI Agent Integration (MCP). Connect through MCP to let agents like Claude or Cursor query numbers in bulk.
- Chrome Extension. Highlight numbers on any web page and instantly see WhatsApp registration.
- Automatic Result Notifications. Growth, Business and Enterprise plans receive webhook notifications of completed checks.
- Unused Checks Carry Over. Unused validations are kept for one extra month on paid plans.
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.
NumRadar vs Postman FAQ
Is NumRadar or Postman free?+
NumRadar is paid. Postman has a free plan; paid plans start at $9/month (Solo).
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.