{
"countryCode": "US",
"postalCode": "90210",
"found": true,
"partialMatch": false,
"count": 1,
"places": [
{
"countryCode": "US",
"postalCode": "90210",
"place": "Beverly Hills",
"region": "California",
"province": "Los Angeles",
"community": null,
"latitude": 34.0901,
"longitude": -118.4065,
"accuracy": "place"
}
],
"attribution": "Postal code data © GeoNames (https://www.geonames.org), CC BY 4.0."
}
curl --location --request GET 'https://zylalabs.com/api/14239/postal+code+api+-+121+countries+zip+lookup/35344/look+up+a+postal+code&country=Required&/=Required&code=Required' --header 'Authorization: Bearer YOUR_API_KEY'
{
"from": {
"countryCode": "ES",
"postalCode": "37007",
"place": "Salamanca",
"region": "Castilla - Leon",
"province": "Salamanca",
"community": "Salamanca",
"latitude": 40.9688,
"longitude": -5.6716,
"accuracy": "place"
},
"to": {
"countryCode": "ES",
"postalCode": "28013",
"place": "Madrid",
"region": "Madrid",
"province": "Madrid",
"community": "Madrid",
"latitude": 40.4187,
"longitude": -3.7076,
"accuracy": "place"
},
"distanceKm": 176.5,
"distanceMiles": 109.7,
"note": "Straight-line (great-circle) distance between postal code centroids.",
"attribution": "Postal code data © GeoNames (https://www.geonames.org), CC BY 4.0."
}
curl --location --request GET 'https://zylalabs.com/api/14239/postal+code+api+-+121+countries+zip+lookup/35345/distance+between+postal+codes?from=ES:37007&to=ES:28013' --header 'Authorization: Bearer YOUR_API_KEY'
{
"countryCode": "DE",
"postalCode": "10115",
"valid": true,
"places": 1
}
curl --location --request GET 'https://zylalabs.com/api/14239/postal+code+api+-+121+countries+zip+lookup/35346/validate+a+postal+code?country=DE&code=10115' --header 'Authorization: Bearer YOUR_API_KEY'
{
"count": 121,
"countries": [
{
"countryCode": "AD",
"postalCodes": 7
},
{
"countryCode": "AE",
"postalCodes": 178171
},
{
"countryCode": "AI",
"postalCodes": 1
},
{
"countryCode": "AL",
"postalCodes": 494
},
{
"countryCode": "AR",
"postalCodes": 20260
},
{
"countryCode": "AS",
"postalCodes": 1
},
{
"countryCode": "AT",
"postalCodes": 19225
},
{
"countryCode": "AU",
"postalCodes": 18521
},
{
"countryCode": "AX",
"postalCodes": 37
},
{
"countryCode": "AZ",
"postalCodes": 1186
},
{
"countryCode": "BD",
"postalCodes": 1349
},
{
"countryCode": "BE",
"postalCodes": 2781
},
{
"countryCode": "BG",
"postalCodes": 5304
},
{
"countryCode": "BM",
"postalCodes": 112
},
{
"countryCode": "BR",
"postalCodes": 5525
},
{
"countryCode": "BY",
"postalCodes": 3133
},
{
"countryCode": "CA",
"postalCodes": 1657
},
{
"countryCode": "CC",
"postalCodes": 1
},
{
"countryCode": "CH",
"postalCodes": 4520
},
{
"countryCode": "CL",
"postalCodes": 346
},
{
"countryCode": "CN",
"postalCodes": 2352
},
{
"countryCode": "CO",
"postalCodes": 3681
},
{
"countryCode": "CR",
"postalCodes": 473
},
{
"countryCode": "CX",
"postalCodes": 1
},
{
"countryCode": "CY",
"postalCodes": 1127
},
{
"countryCode": "CZ",
"postalCodes": 15507
},
{
"countryCode": "DE",
"postalCodes": 23300
},
{
"countryCode": "DK",
"postalCodes": 1159
},
{
"countryCode": "DO",
"postalCodes": 544
},
{
"countryCode": "DZ",
"postalCodes": 15951
},
{
"countryCode": "EC",
"postalCodes": 1225
},
{
"countryCode": "EE",
"postalCodes": 5398
},
{
"countryCode": "ES",
"postalCodes": 37867
},
{
"countryCode": "FI",
"postalCodes": 3576
},
{
"countryCode": "FK",
"postalCodes": 1
},
{
"countryCode": "FM",
"postalCodes": 4
},
{
"countryCode": "FO",
"postalCodes": 130
},
{
"countryCode": "FR",
"postalCodes": 51611
},
{
"countryCode": "GB",
"postalCodes": 27450
},
{
"countryCode": "GF",
"postalCodes": 77
},
{
"countryCode": "GG",
"postalCodes": 14
},
{
"countryCode": "GI",
"postalCodes": 1
},
{
"countryCode": "GL",
"postalCodes": 33
},
{
"countryCode": "GP",
"postalCodes": 105
},
{
"countryCode": "GS",
"postalCodes": 1
},
{
"countryCode": "GT",
"postalCodes": 548
},
{
"countryCode": "GU",
"postalCodes": 21
},
{
"countryCode": "HK",
"postalCodes": 1
},
{
"countryCode": "HM",
"postalCodes": 1
},
{
"countryCode": "HN",
"postalCodes": 38
},
{
"countryCode": "HR",
"postalCodes": 6774
},
{
"countryCode": "HT",
"postalCodes": 236
},
{
"countryCode": "HU",
"postalCodes": 3571
},
{
"countryCode": "ID",
"postalCodes": 81058
},
{
"countryCode": "IE",
"postalCodes": 139
},
{
"countryCode": "IM",
"postalCodes": 87
},
{
"countryCode": "IN",
"postalCodes": 155570
},
{
"countryCode": "IO",
"postalCodes": 1
},
{
"countryCode": "IS",
"postalCodes": 195
},
{
"countryCode": "IT",
"postalCodes": 18415
},
{
"countryCode": "JE",
"postalCodes": 5
},
{
"countryCode": "JP",
"postalCodes": 146883
},
{
"countryCode": "KE",
"postalCodes": 890
},
{
"countryCode": "KR",
"postalCodes": 35583
},
{
"countryCode": "LI",
"postalCodes": 13
},
{
"countryCode": "LK",
"postalCodes": 1837
},
{
"countryCode": "LT",
"postalCodes": 21870
},
{
"countryCode": "LU",
"postalCodes": 4519
},
{
"countryCode": "LV",
"postalCodes": 6101
},
{
"countryCode": "MA",
"postalCodes": 1325
},
{
"countryCode": "MC",
"postalCodes": 29
},
{
"countryCode": "MD",
"postalCodes": 1753
},
{
"countryCode": "MH",
"postalCodes": 2
},
{
"countryCode": "MK",
"postalCodes": 220
},
{
"countryCode": "MO",
"postalCodes": 1
},
{
"countryCode": "MP",
"postalCodes": 3
},
{
"countryCode": "MQ",
"postalCodes": 100
},
{
"countryCode": "MT",
"postalCodes": 73
},
{
"countryCode": "MW",
"postalCodes": 491
},
{
"countryCode": "MX",
"postalCodes": 144655
},
{
"countryCode": "MY",
"postalCodes": 2818
},
{
"countryCode": "NC",
"postalCodes": 52
},
{
"countryCode": "NF",
"postalCodes": 1
},
{
"countryCode": "NL",
"postalCodes": 4334
},
{
"countryCode": "NO",
"postalCodes": 5132
},
{
"countryCode": "NR",
"postalCodes": 1
},
{
"countryCode": "NU",
"postalCodes": 1
},
{
"countryCode": "NZ",
"postalCodes": 1738
},
{
"countryCode": "PA",
"postalCodes": 729
},
{
"countryCode": "PE",
"postalCodes": 96943
},
{
"countryCode": "PF",
"postalCodes": 207
},
{
"countryCode": "PH",
"postalCodes": 2317
},
{
"countryCode": "PK",
"postalCodes": 2563
},
{
"countryCode": "PL",
"postalCodes": 72899
},
{
"countryCode": "PM",
"postalCodes": 2
},
{
"countryCode": "PN",
"postalCodes": 1
},
{
"countryCode": "PR",
"postalCodes": 177
},
{
"countryCode": "PT",
"postalCodes": 206942
},
{
"countryCode": "PW",
"postalCodes": 1
},
{
"countryCode": "RE",
"postalCodes": 152
},
{
"countryCode": "RO",
"postalCodes": 37915
},
{
"countryCode": "RS",
"postalCodes": 1155
},
{
"countryCode": "RU",
"postalCodes": 43538
},
{
"countryCode": "SE",
"postalCodes": 18887
},
{
"countryCode": "SG",
"postalCodes": 121154
},
{
"countryCode": "SI",
"postalCodes": 556
},
{
"countryCode": "SJ",
"postalCodes": 8
},
{
"countryCode": "SK",
"postalCodes": 5233
},
{
"countryCode": "SM",
"postalCodes": 26
},
{
"countryCode": "TC",
"postalCodes": 1
},
{
"countryCode": "TH",
"postalCodes": 903
}
],
"_note": "Response truncated for documentation purposes"
}
curl --location --request GET 'https://zylalabs.com/api/14239/postal+code+api+-+121+countries+zip+lookup/35347/supported+countries' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Postal Code API - 121 Countries ZIP Lookup simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
Each endpoint returns detailed information about postal codes, including place names, regions, provinces, coordinates, and distances between codes. The validation endpoint confirms if a postal code is valid, while the supported countries endpoint lists all countries and the number of postal codes available for each.
Key fields include `countryCode`, `postalCode`, `place`, `region`, `province`, `latitude`, `longitude`, and `distanceKm` or `distanceMiles`. These fields provide essential geographic and administrative details about the postal codes.
The response data is structured in JSON format, with nested objects for places and distances. Each endpoint returns a consistent structure, making it easy to parse and utilize the data programmatically.
The lookup endpoint provides place details and validation status, the distance endpoint calculates distances between postal codes, and the supported countries endpoint lists all countries with their respective postal code counts.
Users can input postal codes with or without spaces and dashes. The distance endpoint requires two postal codes, while the validation endpoint requires one. The lookup endpoint accepts a single postal code for detailed information.
Data accuracy is maintained through sourcing from GeoNames, which provides reliable geographic information. Regular updates and validation checks ensure the data remains current and accurate.
Typical use cases include location-based services, logistics planning, demographic analysis, and validating addresses in applications. Businesses can use this data to enhance customer experiences and improve service delivery.
Users can extract specific fields such as `latitude` and `longitude` for mapping, use `distanceKm` for travel calculations, or validate addresses in forms. The structured JSON format allows for easy integration into applications and services.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
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