# numberRank (numberrank.dev)

Checks a phone number's line type through Twilio Lookup and scores whether it is likely to pass SMS verification.

- Atlas card: https://inite.ai/en/atlas/numberrank.dev
- Site: https://numberrank.dev
- For: people and agents checking whether a phone number will receive verification codes
- Categories: voice
- Use 0/100 · alive 100/100

## Used for

- check whether a phone number reads as VoIP or carrier
- estimate whether a number will pass SMS verification
- look up line type for numbers through an API

## Price

Not read yet.

## For developers

- OpenAPI: https://numberrank.dev/openapi.json (3 paths)
- MCP server: dev.numberrank/numberrank (namespace; open on 2026-10-26, 2 tools)
- Read 2026-10-26

## MCP server, measured daily

Server: https://numberrank.dev/mcp, checked every day since 2026-10-26 (7 checks).

- Answered: 100% of daily checks
- Median first answer: 163 ms
- Sign-in: none
- Context its tool definitions take: about 198 tokens (2 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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Source: INITE Atlas, https://inite.ai/en/atlas/numberrank.dev. JSON: https://inite.ai/api/atlas/numberrank.dev. MCP: https://inite.ai/api/mcp (atlas_lookup).