
WATI
Interakt
Respond.io
Gallabox
DoubleTick.io
Twilio
Gupshup.io
Whatsapp Chatbot, CRM & Marketing
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

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 | aisensy.com | zip-codes.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2020 | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

AiSensy is a complete WhatsApp Engagement Platform powered by official WhatsApp Business APIs allowing businesses to send WhatsApp Broadcasts, add WhatsApp Chatbot, integrate with CRMs & Ecommerce Portals, live chat & much more.
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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Since there are so many Business Solution Providers like TryowBOT, WATI, and Aisensy, Interakt, businesses need to really examine which among them would work best.
AiSensy is a complete no-code required WhatsApp Business API platform. With its fully integrated WhatsApp marketing suite, you can enjoy features such as WhatsApp retargeting, multi-human live chat support window, and...
Easy to use, simple UI, powerful Saas
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