> For the complete documentation index, see [llms.txt](https://api-docs.nf.domains/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api-docs.nf.domains/reference/on-chain-reference/registry-application-ids.md).

# Registry Application IDs

These IDs are used in the name and address lookup smart-signature replacement.

Mainnet: **760937186**

Testnet: **84366825**

Betanet: **842656530**
