I run VALLEC EXPORT, an agribusiness export desk in Brazil. I just put our market data behind the x402 payment protocol so AI agents can buy it directly, no accounts or API keys needed.
What the API sells
- ICUMSA 45 sugar price reference (NY11), dated data from the VALLEC EXPORT digest
- Commodity indices: soy, corn, cattle and iron ore (dated data)
- Affiliate offers radar from Brazilian marketplaces (Mercado Livre, Shopee, Amazon BR)
How it works
Agents pay $0.05 in USDC per call. It settles on Base, Polygon, Arbitrum, Avalanche or Monad. The API follows the x402 spec: request, 402 response, payment, data.
Public revenue dashboard (updates live, test-network rows are labeled TESTE and excluded from totals):
https://octa-x402-api.bmizku.workers.dev/painel
OpenAPI spec:
https://octa-x402-api.bmizku.workers.dev/openapi.json
Why
Agents that need Brazil market data currently scrape or subscribe. Per-call USDC payment seemed like the right primitive for machine buyers, so I wired it to the data we already produce.
Happy to answer questions. It is early: revenue so far is zero, and I will keep the dashboard public either way.
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