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Top Postcode Lookup APIs

Postcode Lookup APIs

Post addresses are some of the things that came to play a pivotal role in online transactions. For eCommerce platforms that deliver products through mails to various destinations, having the right address information has become vitally essential. Postcode look APIs help online entrepreneurs to avoid delays in mail and package deliveries by making sure that packages are addressed with the correct postcode. By leveraging postcode databases, postcode lookup APIs help online vendors to get the right addresses, thereby ensuring that they deliver products and packages to the specific location.

While Google has been given credit for its robust map and location APIs, it doesn't provide high-quality deliverable addresses and P.O. Boxes. It is for this reason that online merchants utilize postcode lookup APIs to access high-quality postcode databases with international addresses that are used when mailing packages.

What is a postcode Lookup?

A postcode lookup is basically a tool that helps you to search and find accurate and reliable postcodes. When embedded on a website, a postcode finder returns results as you type, ensuring that you choose the right address when you want to send a mail or package to a specific location. Postcode lookup provides the user with a list of all addresses within the postcode you type. They can then go ahead to select the correct address from the list provided.

How can the postcode lookup tool help you?

A postcode lookup comes with a plethora of benefits. These include:

  • Helping you capture accurate and standardized addresses
  • Improve the speed of mail deliveries
  • Provide access to up-to-date and reliable postcode data
  • It allows instant integration with a wide range of systems
  • It plays a critical role in postcode validation as it improves accuracy and efficiency

Postal Code Lookup API

With postcode API, users can;

  1. Look up the specific city of a postal code
  2. Validate a postal code
  3. Get the type of postal code, such as standard or the P.O. Box format.

A postal code API can come in three interfaces; XML, HTML, and JSON. However, the API needs to use a given postcode database for it to provide addresses for various locations around the world.

Improve Deliverability

Having a postcode lookup API ensures that you collect addresses that are accurate, correct, and deliverable. This ensures that you don't frustrate your customers or acquaintances at the most vital stage of delivering a product.

At RapidAPI, we provide various postcode lookup APIs to help you capture the correct addresses when delivering mails to your customers. Our APIs are swift in action, and they boast intuitive features that help you source accurate data that expedite your package delivery processes. By choosing our APIs, you will benefit from a service with ultra-fast speed, technical support, and access to a comprehensive platform that will help you curate addresses for vast locations around the world.

Hero Image Top Postcode Lookup APIs
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RedLine Zipcode
The Zip Code API provides the following functions: Distance Between Zip Code API - The API allows you to quickly and easily figure out the distance between zip codes.Zip Codes in Radius API - You can use this API to find all zip codes within a given radius from another zip code.Zip Code to City and State API and Zip Code to Latitude/Longitude API - The API can convert a zip code to the primary location for the zip code. This includes the city, state, latitude, and longitude for the primary location.City to Zip Code - This API looks up the Zip Code based on the City and State.
Updated 11 months ago
Postcodes 4 U UK Address Finder
Postcodes4u by 3X Software Search the Royal Mail PAF database for a list of addresses from a UK postcode or search for an address based on address id
Updated 2 months ago
Telize
Telize offers a JSON IP and GeoIP REST API allowing to get a visitor IP address and to query location information from any IP address. It outputs JSON-encoded IP geolocation data, and supports both Cross-origin resource sharing (CORS) and JSONP.
Updated 11 months ago
IP Geo Location
API returns location data such as country, city, latitude, longitude, timezone, asn, currency, security data for IPv4 and IPv6 addresses in JSON or XML formats.
Updated 11 months ago
boundaries-io
US Zipcode, County, City, and State Boundaries API: A simple & very fast API that will allow you to integrate multiple GeoJson US boundaries results into your apps and systems. This API is designed to be used programatically for optimal performance. When using the MashApe UI for queries expect significant latency issues on large result sets!
Updated 5 days ago
Mexico ZIP Codes
Retrieve information of a zip code and search valid zip codes
Updated 3 months ago
Search Japanese PostCode
You can search address from zip code , or zip code from address in Japan. Use this API to find postcodes and detailed addresses from over 100,000 address information across Japan. Updated monthly with the latest data from Japan Post.
Updated 11 months ago
CodigosPostales-Mexico
para validar y obtener información de los códigos postales en México
Updated 11 months ago
Realty Mole Property
(API Shut Down 3/1/2025) Get instant access to 140+ million property records, owner details, home value and rent estimates, active listings and rental market statistics with the Realty Mole real estate data API. Available nationwide in the US.
Updated 3 months ago
US Weather By Zip Code
Provides current weather information for US cities by zip code
Updated 11 months ago
Mashvisor
Mashvisor APIs allow you to conduct real estate market analysis of any US housing market for both long term rental properties (traditional rentals) and short term rental properties (Airbnb rentals). Furthermore, you get access to nationwide real estate data for traditional rental listings as well as Airbnb listings. The data includes but is not limited to price estimate of MLS listings and off market properties, traditional rental rates (rental income), recurring rental expenses, Airbnb nightly rates, Airbnb occupancy rate, Airbnb rental income traditional and Airbnb return on investment including cash flow, cash on cash return, and cap rate.
Updated 3 weeks ago