RapidAPI
FreeAPI.watch
GovAPI Atlas
API CRUX
APIsList
Postman
JSON Placeholder
Discover, compare, and integrate public APIs using real-time health monitoring, OpenAPI documentation, and live availability signals.

SerpApi
Moz
Searchmetrics Suite
DemandSphere
Clearscope
Direction Local
Pro Rank Tracker
DataForSEO offers API data for SEO companies that deliver results of tasks for Rank tracking, SERP, Keyword data and On-page APIs.

Which is more popular?
Based on our record, DataForSEO seems to be more popular. It has been mentioned 15 times since March 2021.
Website, pricing, platforms and company facts side by side.
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PAP
Public API
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|
|
|---|---|---|
| Website | public-api.org | dataforseo.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of DataForSEO yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Public API and DataForSEO. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking Public API since Jan 2026.
We priced 694 keywords (n=694, measured 2026-11-09) in the AI and developer-tooling space using DataForSEO volume and difficulty data. Only 72 (10.4%) cleared a winnable bar of 150-6,000 monthly searches, difficulty 20 or below, a... - Source: dev.to / 3 days ago
Specific model names are where developers actually search, and they are a narrow target. We priced 694 keywords in the AI and developer-tooling space using DataForSEO volume and difficulty data. Only 72 (10.4%) cleared a winnable bar of... - Source: dev.to / 3 days ago
Search volume is not the reason for this page: among 694 keywords measured by our DataForSEO pull (DataForSEO) on November 5, 2026, only 72 (10.4%) cleared a winnable bar of 150 to 6,000 monthly searches (n=694, measured 2026-11-05), so... - Source: dev.to / 4 days ago
When comparing Public API and DataForSEO, you can also consider the following products.

API marketplace for finding and connecting to the world's top APIs.
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Access real-time results from Google and 100+ search engines with a simple API. No proxies, CAPTCHAs, or parsing required.
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Live status of free public APIs, updated every hour. Find reliable, no-credit-card APIs for weather, news, finance, geocoding, and cryptocurrency.
Compare FreeAPI.watch to Public API or DataForSEO:

Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Compare Moz to Public API or DataForSEO:

Search the APIs and web services that national open data portals list, one country at a time: Korea, Japan, the US, France, Germany, the UK, Taiwan, Canada, Australia and Singapore. Lists are refreshed weekly.
Compare GovAPI Atlas to Public API or DataForSEO:
