
Envoy
Proxyclick
TractionGuest
SwipedOn
Teem
WhosOnLocation
VisitorTrack
The Receptionost is a visitor managemnt solution that has visitor logging system to track visitor traffic.
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 | thereceptionist.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of The Receptionist yet.
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...
What each product offers, as listed by its team.

Possible disadvantages
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Overall verdict
Why this product is good
Recommended for
The Receptionist is recommended for businesses of all sizes, particularly those that receive frequent visitors or require an efficient and secure way to manage guest check-ins. It is ideal for corporate offices, co-working spaces, and any organization focused on improving front desk operations.
Overall verdict
Why this product is good
Recommended for
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The Receptionist for iPad
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Safe, secure workplace for all.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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