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

Readwise
Heyday
Glasp
Notion
Instapaper
Eagle App
Puppet
All your notes, bookmarks, inspiration, articles, and images in one single, private place, enhanced with artificial intelligence.

Which is more popular?
Based on our record, My Mind seems to be more popular. It has been mentioned 29 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | mymind.com |
| Pricing | — | |
| 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...
No description of My Mind 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
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and My Mind. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Given that your comment is AI generated I don't know if you're actually interested or just want to plug your product, though I'll assume good faith and answer the question I don't manually tag any entries - the automatic AI tags just add... - Source: Hacker News / 9 months ago
Great product! Does it handle special metadata like https://mymind.com/ does, eg. Showing prices directly in the UI if the saved link is a product in a shop? If not, things like that would be a great addition! - Source: Hacker News / over 1 year ago
I think https://mymind.com/ might be trying to build what you are looking for, I didn't use it myself, but I read around that the auto-categorization and content-search are not so great though. I personally use manual tags to organize my... - Source: Hacker News / over 1 year ago
When comparing ZIP Code API and My Mind, 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 My Mind:

Effortlessly rediscover and organize your Kindle highlights
Compare Readwise to ZIP Code API or My Mind:

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

An automatic journal that makes remembering beautiful & fun
Compare Heyday to ZIP Code API or My Mind:

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