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ZIP Code API by PostGrid

Chrome extension by PostGrid™ · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 44 users, barely installed. Audience over the last 30 days: unchanged.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
44
Rating
not rated yet
Users, last 30 days
Unchanged
Version
1.0
Updated in the store
2024-01-02
Published
2023-12-31
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
unchanged since 02.10
40-49 · 11 readings
  1. 2026-10-0448
  2. 2026-10-0949
  3. 2026-10-1045
  4. 2026-10-1344
  5. 2026-10-1647
  6. 2026-10-1847
  7. 2026-10-1945
  8. 2026-10-2241
  9. 2026-10-2740
  10. 2026-10-2944
  11. 2026-11-0144
Users
+12 since 01.09
30-49 · 23 readings
  1. 2026-09-0132
  2. 2026-09-0233
  3. 2026-09-0335
  4. 2026-09-0433
  5. 2026-09-0631
  6. 2026-09-0731
  7. 2026-09-0832
  8. 2026-09-1031
  9. 2026-09-1730
  10. 2026-09-2031
  11. 2026-09-2132
  12. 2026-09-2744
  13. 2026-10-0448
  14. 2026-10-0949
  15. 2026-10-1045
  16. 2026-10-1344
  17. 2026-10-1647
  18. 2026-10-1847
  19. 2026-10-1945
  20. 2026-10-2241
  21. 2026-10-2740
  22. 2026-10-2944
  23. 2026-11-0144

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

PostGrid™ publishes 8 listings we track, 1k users between them. Listed website: postgrid.com.

  1. Geocoding API by PostGrid PostGrid™ · Productivity · Developer · published 2023-12-31 618 users
  2. Address Autocomplete API by PostGrid™ PostGrid™ · Productivity · Developer · published 2021-02-01 293 users
  3. Bulk Address Verification by PostGrid PostGrid™ · Productivity · Developer · published 2023-10-14 184 users ★ 5.0
Show 4 more from this publisher
  1. USPS Address Verification by PostGrid™ PostGrid™ · Productivity · Developer · published 2024-05-09 44 users
  2. International Address Verification - PostGrid PostGrid™ · Productivity · Developer · published 2023-10-13 17 users
  3. Address Verification API by PostGrid PostGrid™ · Productivity · Developer · published 2023-10-13 11 users
  4. Address Validation API by PostGrid PostGrid™ · Productivity · Developer · published 2023-10-13 9 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. SmartZIP (Chrome edition) Describes nearly the same job, smaller audience 48 users
  2. Address Validation API by PostGrid Describes nearly the same job, smaller audience 9 users
  3. US Zip Code Finder Describes nearly the same job, smaller audience 70 users
  4. Geocoding API by PostGrid Describes nearly the same job, smaller audience 618 users
  5. Address Verification API by PostGrid Describes nearly the same job, smaller audience 11 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built