US ZIP code API compared: Ziplore vs Zipcodebase, ZipCodeStack, ZipCodeAPI and API Ninjas
Which ZIP code API gives county and demographics for free?
Ziplore answers 200 calls a day free with city, state, county FIPS, coordinates, time zone and Census demographics, plus radius search; paid plans start at $19 a month for 60,000 calls. Zipcodebase and ZipCodeStack cover many countries and cost $34.99 to $45 a month for their first plans; choose them for postal codes outside the US.
Ziplore API: US ZIP codes to county, time zone and demographics
from $5US ZIP codes: city, state, county name and FIPS, coordinates, time zone
Secure checkout · 14-day fix-or-refund if it doesn't work as described (terms)How we compared
- Published entry price
- Free tier
- Countries covered
- County and demographic fields
ZIP code API features compared
| What buyers compare | Ziplore API (CyberMax) | Zipcodebase | ZipCodeStack | ZipCodeAPI | API Ninjas |
|---|---|---|---|---|---|
| Entry paid plan | $19/month: 60,000 calls | $45 a month | $34.99 a month | $199 a year | $39 a month |
| Free tier | 200 calls a day | 5,000 requests a month | Free credits | 10 requests an hour | 3,000 calls a month (non-commercial) |
| Countries | US only | Many countries | Many countries | US | Several |
| County FIPS + Census demographics | Yes | Varies by endpoint | Varies by endpoint | County via its endpoints | Basic fields |
Sources: Ziplore API (our live page) · Zipcodebase (checked 2026-11-14) · ZipCodeStack (checked 2026-11-14) · ZipCodeAPI (checked 2026-11-14) · API Ninjas (checked 2026-11-14).
ZIP code API pricing
| Option | Published price | Notes | Source |
|---|---|---|---|
| Ziplore API (CyberMax) | from $5 | US ZIP codes: city, state, county name and FIPS, coordinates, time zone; Census ACS demographics: population, median household income and more; Radius search, nearest ZIP and distance | Our page |
| Zipcodebase (Developer plan) | $45 a month | Pick it if you need postal codes for many countries | Their page |
| ZipCodeStack (Small plan) | $34.99 a month | Pick it if you want worldwide codes with a monthly credit plan | Their page |
| ZipCodeAPI (Small plan, yearly) | $199 a year | Pick it if you prefer one yearly payment for a long-running US app | Their page |
| API Ninjas (Developer plan) | $39 a month | Pick it if you already use other API Ninjas endpoints on one key | Their page |
Rival prices as shown on each seller's own page (Apify Actors: Apify's public pricing API), checked 2026-11-14. Prices change; check the seller's page before buying. Options whose price we could not confirm on that day are left out.
Where the other ZIP code APIs are better
- Zipcodebase (Developer plan): Covers postal codes worldwide, with a 5,000-request monthly free plan.
- ZipCodeStack (Small plan): Worldwide postal codes and distance endpoints.
- ZipCodeAPI (Small plan, yearly): Long-established US ZIP service with radius and distance endpoints.
- API Ninjas (Developer plan): One key and quota shared across dozens of other APIs.
Which zip code API should you use?
Choose Ziplore API if
- you only need US ZIP codes and want county and demographics in one call
- you want a daily free tier without a card
- your AI agent should look up ZIP codes through MCP
Choose Zipcodebase if
- you need postal codes for many countries
Choose ZipCodeStack if
- you want worldwide codes with a monthly credit plan
Choose ZipCodeAPI if
- you prefer one yearly payment for a long-running US app
Choose API Ninjas if
- you already use other API Ninjas endpoints on one key
What Ziplore API includes
- US ZIP codes: city, state, county name and FIPS, coordinates, time zone
- Census ACS demographics: population, median household income and more
- Radius search, nearest ZIP and distance
- REST API and MCP server, answered at the edge
- Free: 200 calls a day; $5 pack; Starter $19/month for 60,000 calls
ZIP code API questions
Which ZIP code API gives county and demographics for free?
Ziplore answers 200 calls a day free with city, state, county FIPS, coordinates, time zone and Census demographics, plus radius search; paid plans start at $19 a month for 60,000 calls. Zipcodebase and ZipCodeStack cover many countries and cost $34.99 to $45 a month for their first plans; choose them for postal codes outside the US.
Is there a free ZIP code API?
Yes. Ziplore answers 200 calls a day free with no card, and Zipcodebase lists a free plan of 5,000 requests a month. US Census files are free to download if you would rather host the data yourself.
How do I get the county for a ZIP code?
Call a ZIP code API that returns county fields: Ziplore returns the county name and its 5-digit FIPS code in every answer. Some ZIPs cross county lines; the API gives the main county.
Can I search ZIP codes within a radius?
Yes. Ziplore has radius search, nearest ZIP and distance between two ZIPs.
Where does the data come from?
Public-domain US Census Bureau data (ZCTA geography and American Community Survey estimates).
Ziplore API: US ZIP codes to county, time zone and demographics
from $5US ZIP codes to county, time zone and demographics
Secure checkout · 14-day fix-or-refund if it doesn't work as described (terms)Free how-tos
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