
ZIP Code API
ZipCheckup
PostalCodes.info
Smarty
Geocode.xyz
Geoco.io
getAddress.io
Free Zip Code API - Free Postal Code Validation | Zipcodestack

AI2sql
NoahsArch.tech
Vanna AI
Text2SQL.AI
Txt2SQL
ChatGPT
EXASOL
TTSQL turns text to SQL, natural language to SQL, and text to query prompts into secure SQL across major databases.

Which is more popular?
Based on our record, Zipcodestack seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | zipcodestack.com | ttsql.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Zipcodestack yet.
Convert text to sql query, integrate text to sql API into your SaaS and let users describe what they want, instead of exhausting searching, for example: "Show me blog post I created 2 years ago".
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.


As answered by people managing Zipcodestack and TTSQL.
TTSQL's answer:
It is fastest Text to SQL service with both dashboard and API
TTSQL's answer:
Its cheapest and provides highest free quota
TTSQL's answer:
Developers who willing to integrate advanced search via natural language.
TTSQL's answer:
There was a lack of text to SQL service on the market
TTSQL's answer:
VueJS, NodeJS, PostgreSQL
TTSQL's answer:
Share your experience with using Zipcodestack and TTSQL. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago
Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago
I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago
Tracking TTSQL since Mar 2026.
When comparing Zipcodestack and TTSQL, you can also consider the following products.
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
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✔️ With AI2sql, engineers and non-engineers can easily write efficient, error-free SQL queries without knowing SQL.✔️ Querying has never been easier.
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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Ask your databases anything, in Arabic or English — on-premise, so no data ever leaves your servers.
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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
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