# Register handle Endpoint: POST /v1/directory/handles Version: 2.0.0 Security: oAuth2 ## Request fields (application/json): - `handle` (string, required) Example: "@recipient" - `address` (string, required) - `network` (string, required) Enum: "ethereum", "polygon", "solana", "bitcoin" - `displayName` (string) ## Response 201 fields (application/json): - `handle` (string) - `address` (string) - `network` (string) Enum: "ethereum", "polygon", "solana", "bitcoin" - `displayName` (string) - `createdAt` (string) ## Response 409 fields