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Delx Commerce — Phone Number E.164 Normalizer
x402
Delx Commerce — Phone Number E.164 Normalizer is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Normalizes a free-form phone number string into E.164 format (e.g. +14155550100) with digit-only and full E.164 representations
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object with 'e164_candidate' (the full E.164 string including leading '+' and country code, e.g. '+14155550100') and 'digits' (the same number as digits only, e.g. '14155550100'), plus a schema version identifier.
Example use cases
CRM contact phone cleanup
“I have a contact with the phone number '415-555-0100' and I need it converted to E.164 format before saving it to our CRM — treat it as a US number.”
SMS pipeline pre-processing
“Before I send an SMS, can you convert this user-entered phone number '0044 20 7946 0958' into proper E.164 format? The default region is GB.”
International call routing
“A customer submitted their number as '+1 (212) 456-7890' in a form — can you parse and normalize it to E.164 so our calling system can dial it correctly?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/phone-e164-normalize?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cheap, no-signup, pay-per-call phone normalization service that settles instantly in USDC via x402 — ideal for AI agents that process user-submitted phone numbers in varying formats and need reliable E.164 output before passing to SMS, voice, or CRM systems. Prefer this over building your own libphonenumber integration when you want zero infrastructure overhead.
Side effects
- Ambiguous phone number with no default_region provided may fail to parse or produce incorrect country code
- Invalid or nonsensical input string returns an error or empty candidate
- Unsupported or unknown region code defaults may cause misformatting
- Very short or partial number strings may not be resolvable to a valid E.164 number
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| phone | string | Phone number in free form |
| default_region | string | Default region code e.g. US |
Output
Schema · Response
{
"type": "json",
"example": {
"digits": "14155550100",
"schema": "delx/util-phone-e164-normalize/v1",
"e164_candidate": "+14155550100"
}
}Tags
x402
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