
ISideWith
On the Issues
Ballotpedia
GovTrack.us
Facebook Town Hall
Congress.gov
Votegraph
Vote Smart, formerly called Project Vote Smart, is a non-profit, non-partisan research organization...

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

Which is more popular?
Based on our record, Vote Smart should be more popular than Zipcodestack. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | justfacts.votesmart.org | zipcodestack.com |
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Recommendations tracked on public social media and blogs since March 2021.


I take info about candidates from various sources. Folks should checkout https://justfacts.votesmart.org/ to judge an individual by merit and history, as opposed to pure party affiliation. Source: over 3 years ago
The person who posted the League of Women Voters website beat me to it. There’s also Vote 411 and Vote Smart, Vote.org, and I Side With. All of these have a lot of good info for national, state, and local elections. Source: over 3 years ago
If you wish to find more about US public officials' funding sources, ratings on various issues, etc, here. It's not perfect, but still useful for learning who you'd prefer. Source: over 3 years ago
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
When comparing Vote Smart and Zipcodestack, you can also consider the following products.

See which American political parties, candidates, and ballot initiatives match your beliefs based on the 2019 issues that are most important to you.
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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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On the Issues or OnTheIssues is an American non-partisan, non-profit organization providing...
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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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Ballotpedia is a nonpartisan online political encyclopedia.
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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
Compare PostalCodes.info to Vote Smart or Zipcodestack: