Comparison

zipcodestack vs Zipcodebase

Both are postal code APIs with lookup, radius and distance search. The differences are in price per request, plan limits and extra endpoints.

Updated October 30, 2026 · 2 min read

Monthly list prices from both pricing pages in October 2026 (zipcodebase.com/pricing).

Price per request: zipcodestack vs Zipcodebase

The plan names don’t line up: Zipcodebase calls its plans Developer, Small, Medium and Large, and its Medium plan is the one closest in size to zipcodestack Large. Compared with the Zipcodebase plan of similar size, zipcodestack costs 33% to 49% less per request:

zipcodestack planZipcodebase planzipcodestack per 1,000Zipcodebase per 1,000zipcodestack costs
Small: $34.99 for 70,000Developer: $45 for 60,000$0.50$0.7533% less
Medium: $59.99 for 250,000Small: $75 for 200,000$0.24$0.37536% less
Large: $159.99 for 2,500,000Medium: $240 for 1,900,000about $0.064about $0.12649% less
Business: $249 for 6,000,000Large: $800 for 10,000,000about $0.042$0.0848% less
zipcodestackZipcodebase
Free plan useTesting and personal projectsPrivate use only
Rate limit on paid plansNone1 to 50 concurrent requests, by plan
Radius search limitUp to 500 km or miles on every plan10 to 500 miles, by plan

zipcodestack paid plans cost $34.99 to $249 a month. Yearly billing gives you 2 months free (pay for 10 months, get 12); Zipcodebase gives 20% off yearly.

All plans

SizezipcodestackZipcodebase
FreeFree: 1,000 requests, for testing and personal projectsFree: 5,000 searches, private use only
EntrySmall: $34.99 for 70,000Developer: $45 for 60,000
MidMedium: $59.99 for 250,000Small: $75 for 200,000
HighLarge: $159.99 for 2,500,000Medium: $240 for 1,900,000
TopBusiness: $249 for 6,000,000Large: $800 for 10,000,000
Above 6 millionEnterprise: from $500 a month, on requestVery Large: $2,000 for 40,000,000; Premium: $3,000 for 70,000,000

All zipcodestack plans, including yearly billing, are on the pricing page.

Limits

Endpoints

zipcodestack offers search (100 codes per request), validate, distance, radius, polygon, match, codes by city and state, provinces, reverse geocoding (coordinates to postal code), autocomplete and coverage, plus an MCP server for AI agents.

Create a free zipcodestack key and compare both APIs with your own data.

Frequently asked questions

Is zipcodestack cheaper than Zipcodebase?

Yes, on plans of similar size, by 33% to 49% per request. zipcodestack Small is $34.99 for 70,000 requests vs $45 for 60,000 searches on Zipcodebase Developer; zipcodestack Medium is $59.99 for 250,000 vs $75 for 200,000 on Zipcodebase Small; zipcodestack Large is $159.99 for 2,500,000 (about $0.064 per 1,000) vs $240 for 1,900,000 on Zipcodebase Medium (about $0.126 per 1,000). zipcodestack Business is $249 for 6,000,000 (about $0.042 per 1,000) vs $800 for 10,000,000 on Zipcodebase Large (about $0.08 per 1,000). Above 6 million a month, zipcodestack prices volume on request (Enterprise, from $500 a month). Monthly list prices, October 2026.

Which free plan is bigger?

Zipcodebase's: 5,000 searches per month, for private use only. zipcodestack's Free plan has 1,000 requests per month, 10 requests a minute and 1 API key, with no credit card, for testing and personal projects. Neither free plan is for commercial use; for that, zipcodestack starts at $34.99 a month for 70,000 requests.

How much do zipcodestack's paid plans cost?

$34.99 to $249 a month: Small $34.99 (70,000 requests), Medium $59.99 (250,000 requests), Large $159.99 (2,500,000 requests), Business $249 (6,000,000 requests). Yearly billing gives you 2 months free.

How hard is migrating from Zipcodebase?

The endpoints map closely: search, distance, radius, match, city and state lookups. Most integrations only need a new base URL, the apikey header and small field-name changes.

Postal code API

Get this data in your app

zipcodestack looks up, validates and searches postal codes in 182 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/search documentation International postal code API All documentation

1,000 free requests every month. No credit card required.

GET https://api.zipcodestack.com/v1/search?codes=10001&country=us

{
  "results": {
    "10001": [{
      "postal_code": "10001",
      "country_code": "US",
      "latitude": 40.7484,
      "longitude": -73.9967,
      "city": "New York",
      "state": "New York",
      "state_code": "NY",
      "province": "New York"
    }]
  }
}

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