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

Google Forms
Survey Monkey
Jotform
Qualtrics
Formstack
Paperform
Wufoo
Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!

Which is more popular?
Based on our record, Typeform seems to be more popular. It has been mentioned 17 times since March 2021.
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 | typeform.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from Spain · 100 - 249 employees · 2012 |
| 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 Typeform yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Typeform Review - Beginners to Expert Guide PREVIEW by Bizversity.com
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Typeform. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of ZIP Code API yet. Be the first one to post
Typeform’s design-first approach is its strength—and its weakness. Its one-question-at-a-time flow feels conversational, but let’s not confuse "polished" with "personalized." You’re still stuck manually programming...
Typeform is a great option for teachers who are looking for ready-made templates for subjects such as geography, science, vocabulary, and more. Conditional logic allows you to tailor your quiz as the test taker...
Typeform can help businesses upgrade their user engagement through surveys due to its visually appealing and interactive design. The platform is known for its sleek, minimalist interface that makes surveys feel less...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Create a customer survey to collect insight on Typeform. Source: over 3 years ago
If it's feedback forms, you can simply use https://typeform.com/ and use conditions in the questions (e.g. If the User selected option X, show next question Y, etc.). Source: almost 4 years ago
Its from typeform.com and it looks to be their own proprietary code, I couldn't see any specific libraries they were using. Source: about 4 years ago
When comparing ZIP Code API and Typeform, you can also consider the following products.

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


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

Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Compare Survey Monkey to ZIP Code API or Typeform:

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