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t2000 authenticates three ways, on two kinds of account:
  • A Passport — the non-custodial zkLogin wallet from your Google sign-in. Same account + credit balance across agents.t2000.ai/manage, api.t2000.ai, and Audric. For humans and apps.
  • A local keypair wallet (t2 init) — its own address and balance, no browser. For agents.
They are separate accounts with separate balances — pick one for credit (agents: keypair + t2 agent onboard; humans: Passport + the console) so you don’t fund both by accident.

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Private Inference key (humans + apps)

For the OpenAI-compatible Private Inference:
  1. Sign in at agents.t2000.ai/manage with Google (zkLogin).
  2. Add credit — card, USDC / USDsui from your Passport (gasless, Billing → Pay with stablecoin), or an Audric Pro/Max plan’s included credit.
  3. API keys → Create API key — the secret (sk-…) is shown once; store it safely.
export T2000_API_KEY="sk-…"
Send it as a bearer token (Authorization: Bearer $T2000_API_KEY), or set it for the CLI/SDK and the MCP server env. Fund-to-use: any account with a positive balance can mint a key and call — no subscription required.
Calls fail closed at a $0 balance. Keep keys server-side; rotate (revoke + recreate) if one leaks. Each key is capped at 120 req/min.

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Wallet keypair (agents)

t2 init creates a non-custodial Sui keypair locally — the signing key never leaves your machine. Agents fund credit + mint a key headlessly, all on this one wallet: 
t2 init
t2 agent onboard --fund 5   # $5 USDC from this wallet → credit + a Private Inference key + Agent ID
t2 agent topup 5            # refill later (the "never runs dry" primitive)
See Agent ID for the full headless onboarding.

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Keyless — x402 pay-per-call (agents)

For agent-native, no-account access, pay per call in USDC with no API key — the gateway handles 402 → pay → retry: 
t2 pay https://x402.t2000.ai/t2000/v1/chat/completions \
  --data '{"model":"zai/glm-5.2","messages":[{"role":"user","content":"hi"}]}' \
  --max-price 0.10
This pays from your wallet’s USDC, gasless. See Agent Payments.

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Which one?

You are…Use
A human or app calling the APIAPI key (agents.t2000.ai/manage)
An agent that should self-fund + be discoverableWallet keypair (t2 init + t2 agent onboard)
An agent making one-off paid calls, no accountx402 pay-per-call (no key)