API Tools
The api tools we detect on new sites, ranked by how many use each. Part of Build & Framework.
- Tools tracked
- 186
- in Build & Framework
- Sites
- 45,155
- using at least one api tool
- Above 1%
- 11
- tools on more than 1% of them
What we found
- Wikimedia leads, on 34% of the sites using an api tool, with Google APIs close behind on 34%.
- Only 11 of the 186 api tools we track run on more than 1% of these sites.
- Among sites launched in September, Kwai rose to #7 from #11 in August.
The leading api tools
| # | Movement | Tool | Country | Share | Sites |
|---|---|---|---|---|---|
| 1 | – |
Wikimedia
Hosts Wikipedia and other free knowledge projects.
|
34% | 15,551 | |
| 2 | – |
Google APIs
Google APIs umbrella domain (googleapis.com).
|
34% | 15,167 | |
| 3 | – |
Pexels
Free stock photo and video library, embedded directly via the Pexels CDN.
|
11% | 5,040 | |
| 4 | ▼1 |
FlagCDN
Free public CDN serving country and regional flag images in PNG, WebP, SVG, and JPEG formats.
|
3.1% | 1,381 | |
| 5 | ▼1 |
Simple Icons
Free open-source SVG icon library covering brand logos for thousands of popular companies.
|
2.6% | 1,190 | |
| 6 | ▼1 |
DiceBear
Free open-source avatar library that generates deterministic SVG avatars in dozens of artistic styles.
|
2.2% | 1,003 | |
| 7 | ▲2 |
Google Business Profile
API.
|
2.1% | 962 | |
| 8 | ▼1 | UI Avatars Free API that generates initials-based placeholder avatars on the fly. | 1.7% | 784 | |
| 9 | – |
ipify
Free public API for fetching the visitor IP address, often called from browser JavaScript.
|
1.6% | 701 | |
| 10 | ▲4 | Kwai Short-form video network from Kuaishou, popular in Brazil and other emerging markets. | 1.5% | 655 | |
| 11 | ▼2 |
ExchangeRate-API
Currency exchange rate data API (open.er-api.com)
|
1.4% | 645 | |
| 12 | ▲1 | GitHack rawcdn.githack.com: CDN for serving raw GitHub files | 0.9% | 412 | |
| 13 | ▼4 | Lorem Picsum Free placeholder image API for designers and developers. | 0.7% | 320 | |
| 14 | ▲1 |
Microsoft Graph
Microsoft 365 REST API gateway for identity, mail, calendar and files.
|
0.6% | 290 | |
| 15 | ▲2 |
Logo.dev
Developer API that returns company logos and brand assets by domain name.
|
0.6% | 270 |
Share is of the 45,155 sites using an api tool; a site can use more than one. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 15 of 186.
Watches, exports and the API give you every api tool and the sites using each, from £15 a month.
Recently launched products using api tools
| Product | Launched |
|---|---|
| WalkFind | 19 Oct 2026 |
| SquareRadar AI | 19 Oct 2026 |
| GosokBG | 19 Oct 2026 |
| Risphai | 18 Oct 2026 |
| Freelancer Buddy | 18 Oct 2026 |
| DriveIQ.es | 18 Oct 2026 |
Often built with
Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).
- Analytics 1,526
- CSS Framework 1,331
- Framework 1,206
- Meta Framework 939
- Font 870
- UI Library 794