The Number Insight API delivers real-time intelligence about the validity, reachability and roaming status of a phone number and tells you how to format the number correctly in your application. There are three levels…
About the Number Insight API API
Number Insight API API on Apizie: 4 endpoints (Advanced Number Insight (async), Advanced Number Insight (sync), Basic Number Insight, Standard Number Insight) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://zieapi.vercel.app/v1/open-data:nexmo-number-insight/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.
| Project key | open-data:nexmo-number-insight |
|---|---|
| Status | Your key |
| Endpoints | 4 |
| Category | Open Data |
| Source | developer.nexmo.com/ |
| Base URL | https://zieapi.vercel.app/v1/open-data:nexmo-number-insight/{endpoint} |
| For AI tools | OpenAPI spec · Markdown (what is this?) |
Number Insight API API FAQ
How do I call the Number Insight API API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/open-data:nexmo-number-insight/get-number-insight-async with the header x-api-key. Every endpoint returns { project, data, timestamp }.
Is the Number Insight API API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. Number Insight API itself also needs your own key from nexmo.com.
Can AI agents use the Number Insight API API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key open-data:nexmo-number-insight.
What is the status of the Number Insight API API?
Needs your own provider key (bring your own key)