Find the Wikidata entity for an ISBN, ORCID, IMDb id, ISO code, VIAF, GeoNames id or DOI, with check-digit validation.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.03 USDC | 0xb531...DBDa |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.03 tokens | DUPiup...Em8s |
| Polygon | exact | $0.03 USDC | 0xb531...DBDa |
| Arbitrum One | exact | $0.03 USDC | 0xb531...DBDa |