# Phone validation API for AI agents

Scrollport gives AI agents one tool to verify phone numbers, from Tomba, through one connection. It costs $0.0125/request, paid per use from one prepaid wallet with no subscription, provider accounts or API keys. Agents use them over MCP, the CLI or the HTTP API.

Updated 13 September 2026

## Find and enrich prospects with Scrollport

[Get started](https://scrollport.com/start)

Use verified tools with pay-per-use pricing. Provider access is included. Tools that work in your own apps ask you to connect that account.

Connect your first agent to receive $1 trial credit.

## Compare Phone validation API tools

| Tool | Provider | What it returns | Price |
| --- | --- | --- | --- |
| [Validate and format a phone number](https://scrollport.com/tools/providers/tomba/people-phone-verify) | Tomba | Phone number → validity, local/international/E.164/RFC3966 formats, country, line type, carrier, region and timezones | $0.0125/request |

## Available tool

Verify phone numbers

$0.0125/request

### Validate and format a phone number

Phone number → validity, local/international/E.164/RFC3966 formats, country, line type, carrier, region and timezones

Tomba

## Questions about Phone validation API

### How much do phone validation API tools cost?

It costs $0.0125/request. You pay per use from one prepaid wallet with no subscription. Your agent sees the exact price before each run, and connecting your first agent adds $1 of trial credit.

### What does Scrollport's phone validation API return?

Validate and format a phone number from Tomba: Phone number → validity, local/international/E.164/RFC3966 formats, country, line type, carrier, region and timezones. Its tool page lists the full output.

## Guide to phone validation API

Verify a phone number. Use the result as one defined step in a wider agent workflow workflow.

### Define the request

Tell your agent the outcome, audience, source material and constraints that define a useful result. It can inspect the available tools and ask for anything essential that is missing.

### Inspect the tool

Review the available tool's current inputs, outputs, availability and live price before running it.

### Check the result

Ask your agent to retain source context, explain important gaps and check that the result answers the original request before using it in the wider workflow. Confirm coverage, confidence evidence and lawful use before outreach.

### Common questions

**What should I check before using phone validation API tools?**

Verify a phone number. The current catalog supplies this job through Tomba. Inspect the tool before running because availability and accepted fields remain contract-specific. Ask your agent to retain source context, explain important gaps and check that the result answers the original request before using it in the wider workflow.

**How do I use phone validation API tools with Scrollport?**

Give the setup prompt to your agent. Scrollport includes provider access, adds $1 in trial credit when you connect your first agent, and shows the live price before every run.

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Canonical page: https://scrollport.com/tools/phone-validation-api