apix402
Live onchain governance, vesting, oracle and Safe authority checks. Free samples over MCP.
Documentation
Check the contract, not a tracker. 10 onchain checks an agent can buy one call at a time — governance, vesting, oracles, lending risk, Safe spending authority. No key, no account, no subscription: the wallet is the identity.
One example, and it is why this exists: a public tracker showed the Arbitrum DAO as archived with no active proposals, while its Governor contract had a live vote on 48M ARB. See it yourself for free in/dao-proposals/preview — thediscrepancy field counts the disagreements without charging for them.
Connect an agent
npx agentcash try https://api402x.com/dao-proposals
Copy
Writing the client yourself: any x402 client works — the challenge is in thepayment-required header, and the shape of the response travels with it. Full spec at /openapi.json, short table of contents at /llms.txt.
The one built to be called twice
GET /safe-authority-check — $0.002. Ask whether the spending authority over a Safe changed since you last looked. You keep the fingerprint, so there is no account and nothing stored here. It walks modules recursively: a Safe that reads as 1-of-1 can in fact be governed through a module by a separate 2-of-8 Safe, and a flat owner list would miss exactly that. Built for a daily cron; when it says changed, buy/safe-signer-drift for what changed and in which block.
MAINNET eip155:8453 (Base), USDC, real funds. Facilitator https://facilitator.payai.network. Paid to0xE606AE66542D4F1A56AA551841db41e3ECd26816 — every settlement is public onchain, including ours. We store nothing about you: no account, no key, no request history tied to a wallet.
| Route | Price | Description | Preview (free) |
|---|---|---|---|
| GET /echo | $0.001 | x402 protocol check: confirms payment and returns a timestamp. | /echo/preview |
| GET /dao-proposals | $0.005 | Active DAO governance proposals (ENS, Arbitrum, Uniswap, Compound, Optimism, Lido, Curve (Ownership), Curve (Parameter), Aave): Snapshot (off-chain signal) cross-checked against a direct… | /dao-proposals/preview |
| GET /proposal-status | $0.003 | The fate of ONE already-known proposal after the vote: executed / queued in Timelock / expired / canceled. | /proposal-status/preview |
| GET /vesting-status | $0.003 | Reads a vesting plan/stream directly from an on-chain contract on Base — total amount, claimed/unclaimed balance, remaining lockup, current owner/recipient. | /vesting-status/preview |
| GET /insider-early-sale-check | $0.05 | Composes two checks: first resolves a vesting plan/stream by provider + plan_id (same lookup as GET /vesting-status, hedgey TokenVestingPlans or sablier SablierLockup)… | /insider-early-sale-check/preview |
| GET /safe-authority-check | $0.002 | Cheap poll: has the spending authority over this Safe changed since you last looked? You pass the fingerprint this route gave you… | /safe-authority-check/preview |
| GET /proposal-state-check | $0.002 | Cheap poll: has this proposal's state changed since you last looked? You pass the state this route or GET /proposal-status gave you… | /proposal-state-check/preview |
| GET /safe-signer-drift | $0.03 | Reads a Gnosis Safe's live spending authority straight from the chain -- current owner set, threshold, enabled modules and transaction guard --… | /safe-signer-drift/preview |
| GET /oracle-staleness | $0.003 | Answers how stale each oracle price actually is on Base right now, and whether a standard consumer staleness guard would reject it. | /oracle-staleness/preview |
| GET /lending-depeg-exposure | $0.005 | Measures an Aave V3 position's exposure to a risk Aave's own health factor structurally cannot show. | /lending-depeg-exposure/preview |
New here? The first calls are free
Every route gives a new payer address a few calls at no charge, counted per route and per wallet. Not a trial window — there is no clock, the count simply does not reset.
/vesting-status— 3 free calls, wallet must hold $0.03/proposal-status— 3 free calls, wallet must hold $0.03/dao-proposals— 2 free calls, wallet must hold $0.05/insider-early-sale-check— 1 free call, wallet must hold $0.50 — cached answers only/oracle-staleness— 3 free calls, wallet must hold $0.03/lending-depeg-exposure— 2 free calls, wallet must hold $0.05/safe-signer-drift— 1 free call, wallet must hold $0.30 — cached answers only/safe-authority-check— 3 free calls, wallet must hold $0.02/proposal-state-check— 3 free calls, wallet must hold $0.02
Two routes are free only when the answer is already cached. A cold run of /insider-early-sale-check scans a beneficiary's full onchain transfer history through a rate-limited upstream gateway, and a cold/safe-signer-drift is a sequential archive search on a network with exactly one archive endpoint. Those runs are paid, always. If someone has already warmed the same query, you get it free; if not, you get an explicitfree_tier_cold and your free quota is not spent.
There is a daily ceiling of 20 free calls per route, shared by everyone. It exists because a wallet address costs nothing to create, so a per-wallet allowance alone bounds nothing. It has never been reached by ordinary use.
Your wallet still signs. A free call goes through the ordinary x402 flow: the request carries a signed payment authorization, and the server skips settling it. No USDC moves and nothing is deducted, but an agent with no wallet cannot use this — it is free, not anonymous. After the count is used up, the same route simply starts settling as normal.
How prices are set. Price follows the cost of producing the answer: a few contract reads cost a fraction of a cent; scanning history or using scarce archive capacity costs more. That is the whole rule, and it is why/safe-signer-drift and /insider-early-sale-check cost more than the rest — one runs a sequential archive search on a network with a single archive endpoint, the other scans a full transfer history through a rate-limited gateway. Prices move when that measured cost moves, not otherwise.
The wallet must hold USDC on Base — ten times the route's price (listed above, per route). Nothing is reserved and nothing is deducted; the balance is only read. This exists because the allowance is permanent and keyed to the address, so a fresh address is a fresh allowance. The previous bar was any non-zero balance, and dust costs nothing: funding a thousand throwaway wallets on Base costs about a dollar in gas. The bar is deliberately low enough that a real buyer of a $0.01 call clears it — it is meant to price out farming, not to price out you.