A

Agent Mercantile · Productive Venue Snapshot

by Agent Mercantile

POSTBase

$0.01

per call · USD Coin on Base

Observe factual Aave V3 lending supply APR and Lido staking APR for one Ethereum/Base asset, with timestamps, evidence, explicit rate labels, optional filters/sort, and limitations. No ranking or investment recommendation. Call when you need currently observed supported-venue rates for one asset, not a ranking.

Endpoint

POST https://api.agentmercantile.com/v1/productive-venue-snapshot

8

Calls / 30d

3

Unique payers / 30d

Sep 5

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.agentmercantile.com/v1/productive-venue-snapshot", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "asset": {
      "kind": "native"
    },
    "chain_id": 1
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://api.agentmercantile.com/v1/productive-venue-snapshot" \
  -H "Content-Type: application/json" \
  -d '{"asset":{"kind":"native"},"chain_id":1}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "asset": {
    "kind": "native"
  },
  "block_number": "1",
  "cached": false,
  "chain_id": 1,
  "classification": "OBSERVED_COMPLETE",
  "errors": [],
  "evidence": [],
  "limitations": [
    "This is a factual snapshot of supported protocol state. It is not investment advice, not a recommendation, and not a complete map of DeFi."
  ],
  "machine": "VM04",
  "methodology_version": "productive-venue-0.2.0",
  "observation_age_ms": 0,
  "omissions": [],
  "protocol_set_version": "aave-v3-lido-eth-base-2026-08-22-v1",
  "request": {
    "asset": {
      "kind": "native"
    },
    "chain_id": 1,
    "limit": 20,
    "protocols": null,
    "sort": "protocol",
    "venue_types": null
  },
  "resolved": {
    "asset": {
      "kind": "native"
    },
    "chain_id": 1,
    "symbol": "ETH"
  },
  "result_count": 0,
  "retrieved_at": "2026-08-22T00:00:00.000Z",
  "sort": {
    "field": "protocol",
    "label": "objective_sort_not_a_recommendation",
    "order": "protocol"
  },
  "status": "OK",
  "truncated": false,
  "venues": []
}

Payment details

Pay to0xdb7b2b54f80479826222749a2ea73a8acc306e1e
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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