REST APIRegistered domains
Check availability + price for up to 20 domains
Per requested domain, returns an authoritative customer-facing verdict after the configured markup. Cloudflare omissions and unusable quotes become registrable=false with a machine-readable reason rather than disappearing.
Authorization
ApiKey x-api-key<token>
Workspace-owned API key with per-resource permissions.
In: header
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
domains*array<>
Items
1 <= items <= 20Response Body
application/json
curl -X POST "https://example.com/domain/check" \ -H "Content-Type: application/json" \ -d '{ "domains": [ "string" ] }'{ "results": [ { "name": "string", "registrable": true, "reason": "string", "premium": true, "pricing": { "currency": "string", "registrationCost": 0, "renewalCost": 0 }, "registrationPriceMicroUsd": -9007199254740991 } ]}