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The easiest way to schedule group meetings.
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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?
Based on our record, LettuceMeet seems to be more popular. It has been mentioned 11 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 | lettucemeet.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of LettuceMeet 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 LettuceMeet yet.
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 LettuceMeet and ZIP Code API. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

8LettuceMeetView ProductSoheil KoushanCo-founder, LettuceMeet · Edited 9mo agoSoheil Koushan made this productInstead of going through the hassle of preselecting time blocks, LettuceMeet lets everyone add their...
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Recommendations tracked on public social media and blogs since March 2021.

I've looked around for something like this also, and I found https://lettucemeet.com which I often use for this. It doesn't require signing in, and it allows adding what times you are available. It's a bit unintuitive in where the... - Source: Hacker News / almost 3 years ago
I really like LettuceMeet for that for our DnD group: https://lettucemeet.com/. - Source: Hacker News / almost 4 years ago
I wanted to dig up this other one my friends use for watch party planning... it's called https://lettucemeet.com/ and it's more like you create individual one-off invites for people to log their possible availability for a single event,... Source: about 4 years ago
Tracking ZIP Code API since May 2026.
When comparing LettuceMeet and ZIP Code API, you can also consider the following products.

Make meetings happen. With Doodle, scheduling becomes quick and easy.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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When2meet helps you find the best time for a group to get together. It is a free survey tool that is quick and easy to use.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Find the best time to meet. Coordinate group meetings without the back-and-forth emails.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to LettuceMeet or ZIP Code API: