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Periodic Table API
Elements data.
| Category | Science Data |
|---|---|
| Authentication | No auth |
| Pricing | Free |
| Website | https://github.com/Bowserinator/Periodic-Table-JSON |
| Docs | https://github.com/Bowserinator/Periodic-Table-JSON |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/periodic-table-api.json |
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