PAV API Reviews

The REST API tailored for postal code information in the United States and Canada provides a range of features, including address validation and standardization, which integrates ZIP+4 codes, alongside radius searches that apply centroid haversine calculations for distances up to 500 miles and genuine spatial polygon intersections for areas extending to 250 miles, offering a percentage of results located within the designated region. Furthermore, it calculates distances between points and bearings, supports multi-entity autocomplete for a variety of locations such as cities, ZIP codes, counties, metropolitan areas, Forward Sortation Areas (FSAs), and school districts, while also providing enrichments per ZIP code that include Census ACS demographic data spanning 14 years and comprising 542 distinct fields, in addition to lookups for congressional, state legislative, and school district details. The API features six endpoints that can process various inputs, such as US ZIP codes, ZIP+4 codes, Canadian FSAs, Canadian postal codes, or geographic coordinates, with the ability to handle batch requests of up to 100 entries simultaneously. This service functions over REST/JSON via HTTPS, implements API key authentication, has CORS support, and complies with the OpenAPI 3 specification, accompanied by a public Postman collection for user convenience. Users can benefit from a free tier that permits 2,500 requests daily without the need for credit card details, ensuring that the service remains accessible indefinitely, while also providing paid options at Developer for $49 monthly, Professional for $149 monthly, and Business for $499 monthly, along with credit packs priced from $19 to $799. The extensive range of capabilities, combined with adaptable pricing structures, positions this API as a compelling solution for both developers and organizations seeking postal code data and associated services, ultimately facilitating enhanced operational efficiency and data-driven decision-making.