The interface uses OAuth 1.0 for authentication and must be signed using HMAC-SHA256.Here is the authentication information.

Sandbox

key	value
Consumer Key	b885d7a247bc5e3c80722f32036919b08ac01e437c96e4750d39e3a91520dd6a
Consumer Secret	0d7ab2adf02a53540c695b17c80cfe4b5a1e9547404bdaaa620ea1905805a48c
Access Token	153208af92aad41d9755f8ca754720e2648ff90fea18adad7860e7a7c6ff5c7b
Token Secret	8573d1f4688b3227318e352f0cbe86251f10ec7a2a6bcad5e0c301dc1ab247b3
Realm	6409627