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

I Need an A
AbortionFinder
AidAccess to abortion
National Network of Abortion Funds
Carafem
Soula Care
Pills By Post
Plan C provides up-to-date information on how people in the U.S.

Which is more popular?
Based on our record, Plan C seems to be more popular. It has been mentioned 73 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 | plancpills.org |
| 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 Plan C 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
No analysis of Plan C yet.
Walkthroughs and reviews on video.
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'Plan C' helps women find access to abortion without going to a clinic
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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 Plan C. 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.
Private Emma was confirmed by Plan C pills to send real pills. We know that some of our users have used their services with varying degrees of success (search the sub for "emma"). If you are not able to make it to a clinic (see... Source: almost 3 years ago
Two friends and I , in our wonderful blue state ( we are 66, 67, and 70 years old ) are planning a road trip to our neighboring banned state in the next month. Our mission will be to sticker that damn state , everyplace we can get away... Source: over 3 years ago
Plan C Pills is a great resource for pills by mail. It can be legally risky in states with restrictions, but the medication is very safe and effective. Everything on Plan C has been vetted and verified at least one time. Happy to answer... Source: over 3 years ago
When comparing ZIP Code API and Plan C, 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 Plan C:

We give people seeking abortions information that's relevant to their needs.
Compare I Need an A to ZIP Code API or Plan C:

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

With more than 700 health centers, AbortionFinder.org features the most comprehensive directory of trusted (and verified) abortion service providers in the United States.
Compare AbortionFinder to ZIP Code API or Plan C:

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

AidAccess supports women, girls, trans men, nonbinary, and all people with an unwanted pregnancy to access an abortion or miscarriage treatment.
Compare AidAccess to abortion to ZIP Code API or Plan C: