ozmium.org/v1/tx/stocks
Executable buy or sell of a Coinbase tokenized stock on Base for USDC: ordered { to, data, value } steps (ERC-20 approve when short, then Uniswap V3 exactInputSingle on the deepest pool) the agent's own wallet signs, with the quote as advisory. POST /v1/tx/stocks { sym (NVDAc), side (buy|sell), amount (human: USDC to spend or shares to sell), taker, slippageBps? }. Not for U.S. persons (Regulation S).
Endpoint
https://ozmium.org/v1/tx/stocks
Verification
On-chain payments
Payment shape (25 most recent sampled): 23 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 2 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-08-26: 20 payments. Last indexed day 2026-09-05: 20. Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 9 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/3b3a3d70-7cc)
Machine interface
curl https://nohumans.directory/v1/listings/3b3a3d70-7cc
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.