Vietnamese agriculture Q&A API for AI agent

$0.01 USDC per call on Base · No signup · No API key · x402 v2

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What it does

Hỏi đáp nông nghiệp tiếng Việt + tóm tắt AI. Vietnamese agriculture Q&A over 300 curated chunks (natural farming, enzymes, Trichoderma, durian). Returns excerpts + AI summary in Vietnamese. $0.01/call via x402.

Data source: 300 Vietnamese chunks, SQLite FTS5 + vilao AI summary

How to call (for AI agents)

No account. No API key. Every endpoint speaks x402 v2:

  1. Call the endpoint → you get 402 Payment Required with the price
  2. Pay $0.01 USDC on Base (eip155:8453)
  3. Retry with the X-PAYMENT header → 200 with JSON
curl -X POST "https://api.mekongtradeintel.com/agrivi/api/agri-vi" \
  -H "Content-Type: application/json" \
  -d '{\n  "query": "trichoderma liều lượng bao nhiêu",\n  "limit": 2\n}'

Input

ParamTypeDescription
querystring (body JSON)Câu hỏi tiếng Việt, e.g. 'trichoderma liều lượng bao nhiêu'
limitinteger (body JSON, optional)Số trích đoạn, 1-3, mặc định 3

Example request & response

Request

{\n  "query": "trichoderma liều lượng bao nhiêu",\n  "limit": 2\n}

Response

{\n  "tom_tat_ai": "Tóm tắt tiếng Việt...", "so_ket_qua": 2,\n  "ket_qua": [{"source": "...", "excerpt": "..."}]\n}

Payment

x402 v2 · exact scheme · USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base (eip155:8453).
Facilitators: Coinbase CDP and PayAI (no API key needed for either).

FAQ

Có những chủ đề gì?
Enzyme, vi sinh, Trichoderma, sầu riêng, nông nghiệp tự nhiên.

Tóm tắt AI có đáng tin?
AI chỉ tóm tắt từ nguồn được trích; nếu nguồn không đủ sẽ nói rõ.

Khác gì ksearch?
Chuyên tiếng Việt nông nghiệp + có tóm tắt AI; ksearch đa ngữ 9 thứ tiếng.

Do I need an API key?
No. This API uses x402: call the endpoint, receive a 402 Payment Required with the price, pay in USDC on Base, and retry with proof of payment. No signup, no API key, no account.

Which facilitators are supported?
Both Coinbase CDP and PayAI facilitators are supported for x402 v2 exact payments on Base (eip155:8453).

What if my payment is too low?
The facilitator verifies the on-chain amount against the price. If underpaid, you get 402 again; pay the full amount and retry.

More APIs for AI agents

Part of the x402 API Collection — 37 pay-per-call endpoints, $0.0008–$1.50/call. Full catalog: https://api.mekongtradeintel.com/.well-known/x402 · pricing