Authentication
AuthiChain uses industrial-grade **Ed25519** signature verification. Every API request must be signed with your private key or include your platform-issued API Key.
Header Requirements
X-API-Key: YOUR_API_KEY
Content-Type: application/json
Content-Type: application/json
Rate Limits
The protocol enforces a standard rate limit of **60 requests per minute** per user. Industrial-tier keys enjoy **5,000+ RPM** with high-throughput priority.