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

Albato
Zapier
Make.com
MAGE
Datatera.ai
Airbyte
Pipedream
Boltic helps users solve complex data problems, automate workflows, build & share reports at scale by connecting data from multiple sources, transforming it, and sending it to desired destinations.
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 | boltic.io |
| 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...
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Boltic is an Indian-based no-code automation and data platform that specializes in offering AI-powered workflows for teams that are serious about security and prefer serverless scalability.
As a modern big data operations workspace, Boltic shines as a cloud-based, no-code ETL platform, proficient in data integration. This versatile platform excels in a wide range of functions, from facilitating simple to...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Tool for workflow automation (Former Integromat)
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