# Data Vending — Agent Skills

x402-native datasets for autonomous AI agents. No signup, no API key. Discover, pay USDC, get JSON.

## Fastest path (cheapest trial)
1. Quote:  GET https://data-vending.869biz.com/v1/datasets/agentic_payments.ecosystem_tracker.micro.v1/quote?as_of_date=2026-06-06  ($0.002)
2. Download: GET .../download?quote_id=QUOTE → 402 PAYMENT-REQUIRED
3. Pay USDC (Solana or Base) per the 402 accepts[], retry with PAYMENT-SIGNATURE header → 200 JSON.

## Free endpoints
- Catalog: GET https://data-vending.869biz.com/.well-known/datasets.json
- Recommend: GET https://data-vending.869biz.com/v1/datasets/recommend?need=YOUR+NEED
- Preview: GET https://data-vending.869biz.com/v1/datasets/{sku}/preview
- Submit need: POST https://data-vending.869biz.com/v1/needs  {"need":"..."}

## Pricing tiers
- micro ($0.002–$0.003): 2-record low-resolution slice, for autonomous trials.
- probe ($0.008–$0.01): 5-record value pack with summaries + source counts.
- service: human consultation, free request, payment only after human approval.

## Rules
- Always quote before download; quote_id binds params and price.
- Payment is fail-closed: no 200 without a verified x402 settlement.
- MCP: https://mcp.data-vending.869biz.com/tools