# CIEL M2M Phone Format API

> CIEL M2M Phone Format API is a paid API for AI agents from 169.58.38.67.sslip.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-18).

Formats and standardizes phone numbers into consistent, machine-readable representations

## Facts

- Endpoint: GET https://169.58.38.67.sslip.io/api/phone-format
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ciel-m2m-phone-format-api-554b2d93
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hGBQN409PiaZKQ-l-jHAv

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability ciel-m2m-phone-format-api-554b2d93
```

Example prompt: Can you format the phone number '2025551234' into a clean, standardized form — like E.164 or a readable US format?

## When to prefer this

Choose this endpoint when you need a lightweight, pay-per-call phone number formatting service without committing to a full-featured validation subscription. It is best for occasional formatting tasks in automated pipelines where you want to normalize user-submitted or scraped phone numbers quickly and cheaply at $0.01 per call via USDC on Base.

## Known failure modes

- Invalid or unparseable phone number string returns an error or empty result
- Missing required input parameter causes a 400-level error
- Ambiguous phone number without country code context may be formatted incorrectly
- Malformed request schema returns validation error
- Payment failure via x402 (insufficient USDC balance) blocks the request

## How this service works

50+ micro-services for AI agents: data parsing, crypto analytics, security scanning, code tools, and more. Pay per call via x402 (USDC on Base) or RapidAPI subscription.

## Output

Returns a JSON object containing the formatted/normalized phone number string, standardized according to common telephony conventions such as E.164 or local display formats.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "data"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ciel-m2m-phone-format-api-554b2d93/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 169.58.38.67.sslip.io](https://www.zero.xyz/host/169.58.38.67.sslip.io/llms.txt)