Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Fivetran
Skyvia
Xplenty
Hevo Data
DataTap
Airbyte
Talend Data Integration
Consolidate your customer and product data in minutes

Which is more popular?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | stitchdata.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Stitch yet.
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Let's Talk About: Stitch! The Anime - A Review
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Stitch is a SaaS-based batch ELT tool originally developed as part of the Singer open-source project within RJMetrics. After its acquisition by Talend in 2018, Stitch has continued to provide a straightforward,...
Stitch is a powerful ETL tool since it can be easily customized and is safe from outside interference. With their open-source code, you may use them with any tool, not only the ones they support. They also guarantee...
Stitch is a SaaS-based batch ELT tool developed from the Singer open-source project. It was initially created within RJMetrics, and when Magento acquired RJMetrics in 2016, Stitch spun off as an independent company....
When comparing ZIP Code API and Stitch, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Fivetran offers companies a data connector for extracting data from many different cloud and database sources.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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No-code data integration with 200+ data sources, including Salesforce, Dynamics 365, HubSpot, Asana, SQL Server, MySQL, Snowflake, BigQuery, CSV, FTP, and more.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Xplenty is the #1 SecurETL - allowing you to build low-code data pipelines on the most secure and flexible data transformation platform. No longer worry about manual data transformations. Start your free 14-day trial now.
Compare Xplenty to ZIP Code API or Stitch: