Parse and validate any phone number worldwide using libphonenumber
Parse and validate any phone number worldwide using libphonenumber. Returns is_valid, e164 (canonical international format e.g. '+4917612345678'), national_format, country_code (ISO alpha-2), and line_type (MOBILE/FIXED_LINE/VOIP/TOLL_FREE). Provide country_code hint (e.g. 'DE') for local numbers without country prefix.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
886 msmedian answer time
$0.0045listed price per call
$0.0045price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://agentsvc.io/api/v1/proxy/phone-validate
| Category | Everything else |
|---|---|
| Provider host | agentsvc.io |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 10 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.0045 | 886 ms |
Example input (from the provider)
{
"body": {
"phone": "+41 44 668 18 00"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"country_code": {
"description": "ISO 3166-1 alpha-2 country code hint for parsing national numbers without country prefix (e.g. 'DE' for Germany, 'US' for United States). Optional if number includes country code (+...).",
"type": "string"
},
"phone": {
"description": "Phone number to validate. Can be in any format: E.164 ('+4915123456789'), national ('015123456789'), or international ('0049 151 23456789'). Include country code (+ prefix) for best results.",
"type": "string"
}
},
"required": [
"phone"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"checks": {
"properties": {
"is_possible": {
"type": "boolean"
},
"is_valid": {
"type": "boolean"
}
},
"type": "object"
},
"country_calling_code": {
"type": "string"
},
"country_code": {
"type": "string"
},
"e164": {
"type": "string"
},
"international_format": {
"type": "string"
},
"is_valid": {
"type": "boolean"
},
"line_type": {
"type": "string"
},
"national_format": {
"type": "string"
},
"phone": {
"type": "string"
}
},
"required": [
"phone",
"is_valid",
"checks"
],
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}