0xkinno/keryx

Node.js API

20 environment variables found in .env.example

Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow. (showing first 20, more exist in .env.example)

ARC_RPC_URL ── Arc network ──────────────────────────────────────────────────────────── From the ARC CLI output / docs.arc.network. USDC is the gas…
ARC_CHAIN_ID
ARC_EXPLORER_URL
USDC_ADDRESS USDC token on Arc testnet (from developers.circle.com) — CONFIRM
AGENT_PRIVATE_KEY secret ── Wallets / keys ─────────────────────────────────────────────────────────
AGENT_WALLET_ID
WRITER_ADDRESS
PAYOUT_AMOUNT
KERYX_CONTRACT_ADDRESS ── KeryxSplits contract ───────────────────────────────────────────────────
KERYX_ARTIFACT
X402_NETWORK ── x402 (the toll) ────────────────────────────────────────────────────────
X402_FACILITATOR_URL
PUBLISHER_ADDRESS
PUBLISHER_BASE_URL
CIRCLE_API_KEY secret ── Circle Gateway (the payout rail) ───────────────────────────────────────
GATEWAY_API_BASE
SETTLE_MODE
ANSWER_BUDGET_USDC ── Agent ──────────────────────────────────────────────────────────────────
RETRIEVE_K
LLM_BASE_URL

Best match Deploy on Railway Apps that need Postgres, Redis, or background workers.

Alternative Fly.io Anything Dockerized — requires the Fly CLI.

macOS

brew install flyctl && fly launch --from https://github.com/0xkinno/keryx

Linux

curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/0xkinno/keryx

Windows (PowerShell)

iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/0xkinno/keryx

Or deploy to a different host

Render Full-stack with managed Postgres + Redis. DigitalOcean App Platform Containers, droplets, and managed services.

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