
Calendly
SevenRooms
Cal.com
Acuity Scheduling
TidyCal
SavvyCal
Book & Meet!
Bookit is a revolutionary bookmark manager for the Mac OS.
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.
|
|
ZIP
ZIP Code API
|
|
|---|---|---|
| Website | everydaysoftware.net | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Bookit 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
An editorial look at what each product does well and who it suits.

No analysis of Bookit yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
TÁR Review! Composing & Exposing (Bookit Review)
More videos
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Bookit and ZIP Code API. For example, how are they different and which one is better?
When comparing Bookit and ZIP Code API, you can also consider the following products.

Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Compare Calendly to Bookit or ZIP Code API:

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to Bookit or ZIP Code API:

A reservation, seating and guest management solution for hospitality operators to acquire, engage...
Compare SevenRooms to Bookit or ZIP Code API:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to Bookit or ZIP Code API:

Cal.com (formerly Calendso) is the open source Calendly alternative.
Compare Cal.com to Bookit or ZIP Code API:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to Bookit or ZIP Code API: