Phone Number Validation API
Validate phone numbers worldwide: carrier, line type, country, E.164. x402.
Open source Repository Open in the app JSON README (API)
About
Validate phone numbers worldwide: carrier, line type, country, E.164. x402.
Details
- Kind
- MCP servers
- Topic
- Finance & crypto
- Publisher
- br0ski777
- Origin
- official
- Category
- ferramentas
- Transport
- sse
- Version
- 1.1.0
- Last push
- 2026-09-02T19:56:59Z
- Repository state
- ativo
- Language
- TypeScript
- License
- MIT
- Added
- 2026-08-29 03:01:43
- Updated
- 2026-08-29 03:01:43
- Origin id
io.github.Br0ski777/phone-validation
README
# Phone Number Validation API
[](https://phone-validation.api.klymax402.com/mcp)
[](https://x402.org)
[](LICENSE)
Validate phone numbers worldwide -- carrier, line type, country, E.164 format. Single and batch (50) modes. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the [klymax402](https://klymax402.com) marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
## Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
```json
{
"mcpServers": {
"phone-validation": {
"url": "https://phone-validation.api.klymax402.com/mcp"
}
}
}
```
## Quickstart -- HTTP (x402)
```bash
curl "https://phone-validation.api.klymax402.com/api/validate?phone=..."
# -> 402 Payment Required, with an x402 payment challenge in the response body
```
Any x402-aware client ([`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.
## Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
| `phone_validate_number` | GET | `/api/validate` | $0.008 | Validate a phone number and get carrier/type/country info |
| `phone_validate_batch` | POST | `/api/validate/batch` | $0.035 | Validate up to 50 phone numbers in a single batch request |
### `phone_validate_number`
Use this when you need to validate a phone number and get carrier info. Returns structured validation data in JSON.
**Parameters**
| Name | Type | Required | Description |
|---|---|---|---|
| `phone` | string | yes | Phone number to validate (e.g. +33612345678, +14155552671, 0033612345678) |
Example response:
```json
{"valid":true,"e164":"+33612345678","countryCode":"FR","countryName":"France","carrier":"Orange","lineType":"mobile","localFormat":"06 12 34 56 78","internationalFormat":"+33 6 12 34 56 78"}
```
**When to use**: sending SMS or calling a number, FOR CRM data cleaning, lead validation, fraud detection, and KYC phone verification.
**Not for**: SMS capability check (use `sms_validate_number`), email validation (use `email_verify_address`), person data (use `person_enrich_from_email`).
### `phone_validate_batch`
Use this when you need to validate multiple phone numbers at once (up to 50). Returns an array of validation results in JSON.
**Parameters**
| Name | Type | Required | Description |
|---|---|---|---|
| `phones` | array | yes | Array of phone numbers to validate (max 50) |
Example response:
```json
{"results":[{"phone":"+14155551234","valid":true,"e164":"+14155551234","countryCode":"US","carrier":"T-Mobile","lineType":"mobile"},{"phone":"invalid","valid":false}],"total":2,"validCount":1}
```
**When to use**: bulk CRM cleaning, importing contact lists, deduplication pipelines, and batch lead validation.
**Not for**: single numbers (use `phone_validate_number`), SMS capability (use `sms_validate_number`).
## Example agent prompts
- "Validate a phone number and get carrier info"
- "Validate multiple phone numbers at once (up to 50)"
## Payment
- Protocol: [x402](https://x402.org) -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (`eip155:8453`)
- Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
- Also reachable via [ATXP](https://atxp.ai) (OAuth-wrapped x402, RFC 9728 protected-resource metadata)
## Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
## License
MIT