Constants & addresses

Constants & addresses

These values are referenced throughout the platform.

Constant	Value
Treasury address	0x36363e573a3b5d4C22b6A64ef3080E5C101E685F
USDC contract (Base)	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Chain ID	8453 (Base mainnet)
Network	eip155:8453
x402 version	2
Order TTL	15 minutes
API key prefix	otonix_
Transfer event signature	0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
App URL	https://app.otonix.tech
Website	https://otonix.tech

Fetch current payment config

If you want these values from the running system, use:

GET /api/x402/config

curl -sS "https://app.otonix.tech/api/x402/config"

{
  "treasuryAddress": "0x36363e573a3b5d4C22b6A64ef3080E5C101E685F",
  "usdcContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  "chainId": 8453,
  "network": "eip155:8453",
  "facilitatorUrl": "https://x402.org/facilitator"
}