# x402 API Store — llms.txt

40 pay-per-call APIs for AI agents. No signup, no API key.
Pay in USDC on Base (chain 8453) via x402 v2 exact scheme.
Free trial: daily per-IP quota (10/day ≤$0.002, 5/day ≤$0.01, 2/day ≤$0.10, 1/day above).
Paid flow: POST endpoint → 402 with payment spec → settle USDC → retry with X-PAYMENT header → 200.

## Endpoints

### websearch — $0.010/call
- Web search (Serper-backed), real-time results
- Docs: https://api.mekongtradeintel.com/tools/websearch
- 402 spec: https://api.mekongtradeintel.com/websearch/.well-known/x402
- API: POST https://api.mekongtradeintel.com/websearch/api/search

### news — $0.002/call
- Crypto/tech news feed
- Docs: https://api.mekongtradeintel.com/tools/news
- 402 spec: https://api.mekongtradeintel.com/news/.well-known/x402
- API: POST https://api.mekongtradeintel.com/news/api/news

### aisearch — $0.007/call
- AI-synthesized search answers
- Docs: https://api.mekongtradeintel.com/tools/aisearch
- 402 spec: https://api.mekongtradeintel.com/aisearch/.well-known/x402
- API: POST https://api.mekongtradeintel.com/aisearch/api/aisearch

### aiverdict — $0.015/call
- Multi-model AI verdict / decision scoring
- Docs: https://api.mekongtradeintel.com/tools/aiverdict
- 402 spec: https://api.mekongtradeintel.com/aiverdict/.well-known/x402
- API: POST https://api.mekongtradeintel.com/aiverdict/api/verdict

### markdown — $0.002/call
- Web page to clean Markdown
- Docs: https://api.mekongtradeintel.com/tools/markdown
- 402 spec: https://api.mekongtradeintel.com/markdown/.well-known/x402
- API: POST https://api.mekongtradeintel.com/markdown/api/markdown

### trendsintel — $0.100/call
- Trend intelligence & emerging topics
- Docs: https://api.mekongtradeintel.com/tools/trendsintel
- 402 spec: https://api.mekongtradeintel.com/trendsintel/.well-known/x402
- API: POST https://api.mekongtradeintel.com/trendsintel/api/trends

### sentiment — $0.030/call
- Sentiment analysis on text/social
- Docs: https://api.mekongtradeintel.com/tools/sentiment
- 402 spec: https://api.mekongtradeintel.com/sentiment/.well-known/x402
- API: POST https://api.mekongtradeintel.com/sentiment/api/sentiment

### docextract — $0.300/call
- PDF/document extraction to structured data
- Docs: https://api.mekongtradeintel.com/tools/docextract
- 402 spec: https://api.mekongtradeintel.com/docextract/.well-known/x402
- API: POST https://api.mekongtradeintel.com/docextract/api/extract

### ksearch — $0.010/call
- Multilingual knowledge search (9 languages)
- Docs: https://api.mekongtradeintel.com/tools/ksearch
- 402 spec: https://api.mekongtradeintel.com/ksearch/.well-known/x402
- API: POST https://api.mekongtradeintel.com/ksearch/api/ksearch

### tokenprice — $0.001/call
- Live crypto token prices
- Docs: https://api.mekongtradeintel.com/tools/tokenprice
- 402 spec: https://api.mekongtradeintel.com/tokenprice/.well-known/x402
- API: POST https://api.mekongtradeintel.com/tokenprice/api/price

### marketdata — $0.010/call
- Stocks, forex, commodities market data
- Docs: https://api.mekongtradeintel.com/tools/marketdata
- 402 spec: https://api.mekongtradeintel.com/marketdata/.well-known/x402
- API: POST https://api.mekongtradeintel.com/marketdata/api/market

### stocks — $0.003/call
- Stock quotes & fundamentals
- Docs: https://api.mekongtradeintel.com/tools/stocks
- 402 spec: https://api.mekongtradeintel.com/stocks/.well-known/x402
- API: POST https://api.mekongtradeintel.com/stocks/api/stocks

### fxrates — $0.004/call
- FX rates (daily reference)
- Docs: https://api.mekongtradeintel.com/tools/fxrates
- 402 spec: https://api.mekongtradeintel.com/fxrates/.well-known/x402
- API: POST https://api.mekongtradeintel.com/fxrates/api/fx

### polymarket — $0.006/call
- Prediction market odds + volume
- Docs: https://api.mekongtradeintel.com/tools/polymarket
- 402 spec: https://api.mekongtradeintel.com/polymarket/.well-known/x402
- API: POST https://api.mekongtradeintel.com/polymarket/api/polymarket

### macro — $0.002/call
- Macro indicators (Fed rate, history)
- Docs: https://api.mekongtradeintel.com/tools/macro
- 402 spec: https://api.mekongtradeintel.com/macro/.well-known/x402
- API: POST https://api.mekongtradeintel.com/macro/api/macro

### sec8k — $0.002/call
- SEC 8-K filings monitor
- Docs: https://api.mekongtradeintel.com/tools/sec8k
- 402 spec: https://api.mekongtradeintel.com/sec8k/.well-known/x402
- API: POST https://api.mekongtradeintel.com/sec8k/api/sec8k

### 13fintel — $0.200/call
- 13F institutional holdings intelligence
- Docs: https://api.mekongtradeintel.com/tools/13fintel
- 402 spec: https://api.mekongtradeintel.com/13fintel/.well-known/x402
- API: POST https://api.mekongtradeintel.com/13fintel/api/13f

### earningspack — $0.500/call
- Earnings reports pack
- Docs: https://api.mekongtradeintel.com/tools/earningspack
- 402 spec: https://api.mekongtradeintel.com/earningspack/.well-known/x402
- API: POST https://api.mekongtradeintel.com/earningspack/api/earnings

### researchmemo — $0.250/call
- AI research memo generator
- Docs: https://api.mekongtradeintel.com/tools/researchmemo
- 402 spec: https://api.mekongtradeintel.com/researchmemo/.well-known/x402
- API: POST https://api.mekongtradeintel.com/researchmemo/api/memo

### sbscore — $0.080/call
- Small-business credit score
- Docs: https://api.mekongtradeintel.com/tools/sbscore
- 402 spec: https://api.mekongtradeintel.com/sbscore/.well-known/x402
- API: POST https://api.mekongtradeintel.com/sbscore/api/score

### chain — $0.002/call
- EVM chain data (balances, txns)
- Docs: https://api.mekongtradeintel.com/tools/chain
- 402 spec: https://api.mekongtradeintel.com/chain/.well-known/x402
- API: POST https://api.mekongtradeintel.com/chain/api/chain

### chainread — $0.002/call
- Smart contract read calls
- Docs: https://api.mekongtradeintel.com/tools/chainread
- 402 spec: https://api.mekongtradeintel.com/chainread/.well-known/x402
- API: POST https://api.mekongtradeintel.com/chainread/api/read

### tokenscreener — $0.008/call
- Token screener (volume, liquidity, holders)
- Docs: https://api.mekongtradeintel.com/tools/tokenscreener
- 402 spec: https://api.mekongtradeintel.com/tokenscreener/.well-known/x402
- API: POST https://api.mekongtradeintel.com/tokenscreener/api/screener

### rugcheck — $0.005/call
- Rug-pull risk check for tokens
- Docs: https://api.mekongtradeintel.com/tools/rugcheck
- 402 spec: https://api.mekongtradeintel.com/rugcheck/.well-known/x402
- API: POST https://api.mekongtradeintel.com/rugcheck/api/rugcheck

### contractaudit — $1.500/call
- Smart-contract security audit
- Docs: https://api.mekongtradeintel.com/tools/contractaudit
- 402 spec: https://api.mekongtradeintel.com/contractaudit/.well-known/x402
- API: POST https://api.mekongtradeintel.com/contractaudit/api/audit

### amlscreen — $0.750/call
- AML / sanctions screening (OFAC SDN)
- Docs: https://api.mekongtradeintel.com/tools/amlscreen
- 402 spec: https://api.mekongtradeintel.com/amlscreen/.well-known/x402
- API: POST https://api.mekongtradeintel.com/amlscreen/api/aml

### defi — $0.010/call
- Contract intelligence (verification, supply, risk)
- Docs: https://api.mekongtradeintel.com/tools/defi
- 402 spec: https://api.mekongtradeintel.com/defi/.well-known/x402
- API: POST https://api.mekongtradeintel.com/defi/api/defi

### defiyield — $0.001/call
- DeFi pool yields + TVL + risk flags
- Docs: https://api.mekongtradeintel.com/tools/defiyield
- 402 spec: https://api.mekongtradeintel.com/defiyield/.well-known/x402
- API: POST https://api.mekongtradeintel.com/defiyield/api/yield

### gastracker — $0.001/call
- Gas estimates (EIP-1559 tiers)
- Docs: https://api.mekongtradeintel.com/tools/gastracker
- 402 spec: https://api.mekongtradeintel.com/gastracker/.well-known/x402
- API: POST https://api.mekongtradeintel.com/gastracker/api/gas

### perpfunding — $0.001/call
- Perp funding rates across exchanges
- Docs: https://api.mekongtradeintel.com/tools/perpfunding
- 402 spec: https://api.mekongtradeintel.com/perpfunding/.well-known/x402
- API: POST https://api.mekongtradeintel.com/perpfunding/api/funding

### academic — $0.008/call
- Academic paper search
- Docs: https://api.mekongtradeintel.com/tools/academic
- 402 spec: https://api.mekongtradeintel.com/academic/.well-known/x402
- API: POST https://api.mekongtradeintel.com/academic/api/papers

### agentrecommend — $0.008/call
- AI agent / tool recommendations
- Docs: https://api.mekongtradeintel.com/tools/agentrecommend
- 402 spec: https://api.mekongtradeintel.com/agentrecommend/.well-known/x402
- API: POST https://api.mekongtradeintel.com/agentrecommend/api/recommend

### pdf — $0.002/call
- PDF processing tools
- Docs: https://api.mekongtradeintel.com/tools/pdf
- 402 spec: https://api.mekongtradeintel.com/pdf/.well-known/x402
- API: POST https://api.mekongtradeintel.com/pdf/api/pdf

### dnswhois — $0.005/call
- DNS + WHOIS lookup
- Docs: https://api.mekongtradeintel.com/tools/dnswhois
- 402 spec: https://api.mekongtradeintel.com/dnswhois/.well-known/x402
- API: POST https://api.mekongtradeintel.com/dnswhois/api/dns

### weather — $0.001/call
- Weather data
- Docs: https://api.mekongtradeintel.com/tools/weather
- 402 spec: https://api.mekongtradeintel.com/weather/.well-known/x402
- API: POST https://api.mekongtradeintel.com/weather/api/weather

### random — $0.001/call
- Secure random generation
- Docs: https://api.mekongtradeintel.com/tools/random
- 402 spec: https://api.mekongtradeintel.com/random/.well-known/x402
- API: POST https://api.mekongtradeintel.com/random/api/random

### gianongsan — $0.050/call
- Vietnam agricultural prices (giá nông sản)
- Docs: https://api.mekongtradeintel.com/tools/gianongsan
- 402 spec: https://api.mekongtradeintel.com/gianongsan/.well-known/x402
- API: POST https://api.mekongtradeintel.com/gianongsan/api/gia

### agrivi — $0.010/call
- Vietnamese agricultural knowledge (Tiếng Việt)
- Docs: https://api.mekongtradeintel.com/tools/agrivi
- 402 spec: https://api.mekongtradeintel.com/agrivi/.well-known/x402
- API: POST https://api.mekongtradeintel.com/agrivi/api/agrivi

### doanhnghiep — $0.030/call
- Vietnam company registry lookup
- Docs: https://api.mekongtradeintel.com/tools/doanhnghiep
- 402 spec: https://api.mekongtradeintel.com/doanhnghiep/.well-known/x402
- API: POST https://api.mekongtradeintel.com/doanhnghiep/api/company

### gpuspot — $0.100/call
- GPU spot-price oracle (Vast.ai live)
- Docs: https://api.mekongtradeintel.com/tools/gpuspot
- 402 spec: https://api.mekongtradeintel.com/gpuspot/.well-known/x402
- API: POST https://api.mekongtradeintel.com/gpuspot/api/gpuspot

### gpubroker — $1.000/job/call
- GPU compute brokerage
- Docs: https://api.mekongtradeintel.com/tools/gpubroker
- 402 spec: https://api.mekongtradeintel.com/gpubroker/.well-known/x402
- API: POST https://api.mekongtradeintel.com/gpubroker/api/gpu


## Free trial credits (paid calls)

Three pre-funded wallets with $0.50 USDC on Base each, first come first served. Use one as your x402 payer wallet to make real paid calls:

- 0x1440B839EC5de03941238dc3897216a768d53bb0 — private key: 0x053e3d69391a6335d9d34d5bbeae0627d285c30100ce526daed13867b34ca639
- 0x6869cfD061F16B834488Fc55d1E1c01ea9cCA0E0 — private key: 0xa41242550a80dab55f59ae10d092a0d83eed53af4e5142fb60c07b29d7450660
- 0xfAC148BD8C39E80D21622EAf9Fe16E6DBD430BCa — private key: 0xb47774bea3ba7b0370ab621afca7554811d601bb958d916bac0a63853f5ef03f

One wallet per user. Keys are public by design.