Limits, pricing history. Verified November 2026. Last updated 2026-11-11.
Zipcodestack's free tier offers 1,000 requests a month for $0 on the Free plan, up to 10 requests a minute, no credit card… We rate it stable. The one change we have recorded did not narrow the terms.
The day we last read the vendor's page, and the day we last confirmed the terms we publish.
Free Tier Details
1,000 requests a month for $0 on the Free plan, up to 10 requests a minute, no credit card. The Free plan is for testing and personal projects. Zipcodestack is a ZIP and postal code API. The free plan includes 1 API key. Commercial use needs a paid plan. Paid plans start at $34.99 a month.
We read that on 2026-11-11 from https://zipcodestack.com, and our check recorded: the page names Zipcodestack as "zipcodestack" and states "$34.99" and "1,000 Free Requests / month" and "1,000 requests / month" and "1,000 requests a month".
By November 10, 2026, Zipcodestack's free plan had 1,000 requests a month. On August 28, 2026, it had 300 credits a month. The rate limit of 10 requests a minute was unchanged. The $0 price was unchanged. Source ↗
Before: Free "Best for starters": $0 /mo, "300 Credits", "1 API Key", "10 Requests / Min." (zipcodestack.com/pricing, archived 2026-08-28).
After: Free: $0 /mo, "1,000 Requests / month", "1 API Key", "10 Requests / Min." llms.txt: "Free plan: $0, 1,000 requests a month, 10 requests a minute, 1 API key, no credit card." (zipcodestack.com/pricing and zipcodestack.com/llms.txt, read 2026-11-10).
Data correction - Not a change by Zipcodestack. An Internet Archive copy of its page from 2026-02-25 already states the terms this record called new, and our listing of 2026-03-02 did not match them. Our re-read of 2026-08-28 recorded the difference as a change. Source ↗
Before: Free Zip Code API and Postal Code Validation. Ten thousand free requests/month.
After: The free tier includes 300 requests / month. Free accounts have 100 requests per day with a maximum of 10 requests per minute.
We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.
Yes, Zipcodestack offers a free tier: Free. 1,000 requests a month for $0 on the Free plan, up to 10 requests a minute, no credit card. The Free plan is for testing and personal projects. Zipcodestack is a ZIP and postal code API. The free plan...
What is Zipcodestack's free tier?
Zipcodestack's free tier is called "Free". 1,000 requests a month for $0 on the Free plan, up to 10 requests a minute, no credit card. The Free plan is for testing and personal projects. Zipcodestack is a ZIP and postal code API. The free plan includes 1 API key. Commercial use needs a paid plan. Paid plans start at $34.99 a month.
Is Zipcodestack's free tier reliable?
Zipcodestack's free tier is considered stable. The one change we have recorded did not narrow the terms. See the pricing history below.
Is Zipcodestack's free tier good for production?
Zipcodestack's free tier can be suitable for small production workloads and side projects. We rate it stable and it offers 1,000 requests a month for $0 on the Free plan, up to 10 requests a minute, no credit card…, so it's a reasonable starting point. The one change we have recorded did not narrow the terms. Monitor your usage against the limits and have an upgrade plan ready.
What changed in Zipcodestack's pricing?
Zipcodestack has had 1 recorded pricing change. Most recently: By November 10, 2026, Zipcodestack's free plan had 1,000 requests a month. On August 28, 2026, it had 300 credits a month. The rate limit of 10 requests a minute was unchanged. The $0 price was unchanged. Source: https://zipcodestack.com/pricing (effective between 2026-08-28 and 2026-11-10).
When will I outgrow Zipcodestack's free tier?
At 1,000 requests/mo, you'll need to upgrade. When you outgrow the free tier, evaluate paid plans against alternatives — sometimes a competitor's free tier covers what you need.
What category is Zipcodestack in?
Zipcodestack is categorized under Dev Utilities on AgentDeals.