Sites using openBD 
Free API serving bibliographic data and cover images for Japanese books.
Found via: StackScope Discovery (Indie) 6
openBD has been detected on 6 launches since first appearing in July 2026. Most recent detection: 本屋さんへ行こう — 次に読む本が棚から見つかる本棚アプリ, yesterday.
It's most commonly paired with Cloudflare DNS, Cloudflare, and HTTP/3.
Share of new sites using openBD
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Data API leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | ▲2 |
LocalLogic
|
0.07% | 25.60% |
| #2 | ▼1 |
The Movie Database
|
0.02% | 6.23% |
| #3 | ▲5 |
Daum Postcode
|
0.01% | 4.48% |
| #4 | ▼1 |
ViaCEP
|
0.01% | 3.55% |
| #5 | ▼3 |
Frankfurter
|
0.01% | 3.53% |
| … | ||||
| #187 | ▲51 | openBD Current page | <0.01% | 0.08% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Data API tool.Among August launches it ranked #150 in Data API, up from #201 in July. All 972 in Data API →
Often used with
| Tool | Sites |
|---|---|
Cloudflare DNS
|
4 |
Cloudflare
|
4 |
| HTTP/3 | 4 |
Vite
|
4 |
| HSTS | 3 |
Tools most often detected on the same sites as openBD.
Recent launches we can show
6 of the 6 sites using openBD are product launches we list individually.
