# domains

Check domain availability and request on-chain purchase data

## Check domain name availability

 - [GET /domains/{domainName}](https://docs.unstoppabledomains.com/apis/registry/openapi/domains/getdomain.md): Check domain name availability

## Request on-chain purchase parameters

 - [POST /domains/{domainName}/parameters/purchase](https://docs.unstoppabledomains.com/apis/registry/openapi/domains/postdomainpurchaseparameters.md): Request on-chain purchase parameters. There parameters contain all necessary data to make a purchase on-chain. It includes tx parameters with signatue. Parameters are valid for 4 hours.