🔐 NEXUS VERIFY

Independent cryptographic verification for agents and applications: SHA-256 and Keccak-256 hashing, plus on-the-spot proof checks.

0.01 SOL / call
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API address

https://verify.441engine.com

These addresses are machine interfaces (APIs): the root returns a technical message, which is normal. The calls below are used from a program, an agent, or a tool like curl.

Endpoints

GET/health
POST/compute
POST/verify-spot
GET/ws

Payment

Access is paid per call, in SOL (or in $M441 with a 10% discount). Send the exact amount to the address below, then call the API with your payment signature (under 24 h old, never reused).

2kqEsrWELKtp5R3PmnVP3G4PZifuN47Yb61CzC9qQ9E9

Full machine documentation (MCP): arena.441engine.com/.well-known/mcp.json