Postal codes for 70 countries (GeoNames via zippopotam.us)
Postal codes for 70 countries (GeoNames via zippopotam.us): postal code to place names, state and coordinates, or city + state to all its postal codes. For GB, CA and IE only the outward part (e.g. SW1A) is resolved. Params: country (ISO2, required), postal_code, or city + state (state abbreviation, e.g. CA, BY).
Answeringour last check, 2026-10-10
1 of 1checks answered this week
886 msmedian answer time
$0.0025listed price per call
$0.0025price 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/postal-code
| Category | Code and developer |
|---|---|
| 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 | $0.0025 | 886 ms |
Example input (from the provider)
{
"body": {
"country": "DE",
"postal_code": "80331"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"city": {
"type": "string"
},
"country": {
"description": "ISO 3166-1 alpha-2",
"type": "string"
},
"postal_code": {
"type": "string"
},
"state": {
"description": "State abbreviation, required with city",
"type": "string"
}
},
"required": [
"country"
]
},
"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": {
"country": {
"type": "string"
},
"found": {
"type": "boolean"
},
"places": {
"items": {
"properties": {
"lat": {
"type": "number"
},
"lon": {
"type": "number"
},
"place": {
"type": "string"
},
"state": {
"type": "string"
},
"state_code": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"postal_code": {
"type": "string"
},
"source": {
"type": "string"
}
},
"required": [
"country",
"found"
],
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}