Market Data · x402 · early usage

Commodity + fertilizer prices: Official recorded prices, online marketplace asking pric…

Commodity + fertilizer prices: Official recorded prices, online marketplace asking prices, a monthly humanitarian series, and coffee and tea auction results — merged into one vocabulary and told apart by the source tag. Up to 100 rows per call, $0.10 USDC. Fi…

by api.nuasense.com · discovered, not yet claimed by its owner · updated 2026-10-01

30d calls1

30d payers1

MethodGET

Outputjson

Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.

What it does

Tags: bazaar

Call contract

Method: GET
Input: query parameters
Output: json
Last paid call: 2026-10-01

Input example from Bazaar metadata

{
  "limit": 10
}

Output example

{
  "attribution": "Kenya Agricultural Market Information System (Ministry of Agriculture); Tanzania Ministry of Industry and Trade, Market Information System; WFP Food Prices via HDX (CC BY 3.0 IGO) for Kenya, Uganda, Tanzania and Rwanda; East African Tea Trade Association; Nairobi Coffee Exchange; listed asking prices from public marketplace pages; Tea Brokers East Africa Ltd (TBEAL) auction reports; Kenya National Bureau of Statistics (KNBS) Consumer Price Index reports",
  "count": 1,
  "dataset": "market.commodity_prices",
  "rows": [
    {
      "commodity": "…",
      "retail": 0,
      "source": "…",
      "time": "2026-09-15T00:00:00Z",
      "variety": "…",
      "wholesale": 0,
      "wholesale_min": 0
    }
  ]
}

Use with an agent

Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
Inspect. Fetch /resources/52931.json for the price and payment options.
Pay. Call GET https://api.nuasense.com/x402/v1/market/prices. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
Execute. The provider returns 200 with the data. Agent Bazaar is not in the request path and never sees your payment.

For humans

You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base Sepolia, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price: see accepts
Protocol: x402 v2
Auth: No account or API key. Pay per request.
Networks: Base Sepolia
Demand: 1 calls · 1 unique payers in 30d (public x402 Bazaar data)

x402 payment requirements

Scheme	Network	Asset	Amount	Pay to	Timeout
exact	Base Sepolia eip155:84532	USDC	100000	0x64F03f76C814bA8959FADeedc6a2bbEE7E9DC5A3	60s

accepts[] (raw JSON)

[
  {
    "scheme": "exact",
    "network": "eip155:84532",
    "payTo": "0x64F03f76C814bA8959FADeedc6a2bbEE7E9DC5A3",
    "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
    "amount": "100000",
    "maxTimeoutSeconds": 60
  }
]

Schemas

Output schema (JSON Schema)

{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}

Example shape — generated from the schema, not a captured live response

{
  "example": {},
  "type": "string"
}

Examples

curl

curl "https://api.nuasense.com/x402/v1/market/prices"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.nuasense.com/x402/v1/market/prices");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.nuasense.com/x402/v1/market/prices")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider: api.nuasense.com
Endpoint: https://api.nuasense.com/x402/v1/market/prices
Machine-readable: /resources/52931.json