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The-undesirables

The-undesirables is an x402-native service at https://oracle.the-undesirables.com, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed.

Base

Offers

OfferEndpointPrice
V1 Arb Basket
Find guaranteed-profit basket arbitrage in prediction markets by aggregating all NO outcomes. When the total cost of buying every NO contract is less than the guaranteed payout, the yield is risk-free.
/m/bz-oracle-the-undesirables-com/api/v1/arb-basket0.5 USDC
V1 Batch Triage
Batch Card Triage: upload multiple card image URLs and get a profit-ranked grading triage. Each card is graded by AI, then scored by expected ROI from professional grading. Returns a ranked list sorted by highest expected profit first. Perfect for dealers and agents evaluating collections.
/m/bz-oracle-the-undesirables-com/api/v1/batch-triage0.5 USDC
V1 Coin History
Historical token price forecaster: fetches OHLC (Open, High, Low, Close) data from CoinGecko and projects forward trajectories with percentile forecasts. Uses Merton Jump-Diffusion modeling for this crypto-native asset class.
/m/bz-oracle-the-undesirables-com/api/v1/coin-history0.05 USDC
V1 Crypto Oracle
NFT collection floor-price oracle: fetches real-time floors via Alchemy and returns risk-aware price forecasts — current floor, historical volatility, drift, and forecast percentiles. Forecasting uses Merton Jump-Diffusion modeling for this crypto-native asset class. Supports any ERC-721 or ERC-1155 contract on Ethereum mainnet.
/m/bz-oracle-the-undesirables-com/api/v1/crypto-oracle0.05 USDC
V1 Grade
Grade any physical Pokémon, Magic: The Gathering, Yu-Gi-Oh, or Digimon trading card using a 3-stage AI pipeline: (1) Qwen Vision LLM analyzes corners, edges, and surface defects, (2) OpenCV measures exact centering ratios programmatically, (3) BGS professional capping algorithm adjusts the final grade. Returns PSA/Beckett-calibrated subgrades and an overall condition score. Accepts card image URLs
/m/bz-oracle-the-undesirables-com/api/v1/grade0.1 USDC
V1 Grade Or Not
Grade-or-Not Decision Engine: answers 'will grading this trading card make me money?' by combining AI grade prediction with PSA fee schedules, shipping costs, and graded market values to calculate expected ROI. Returns a clear GO/NO-GO verdict with best-case, predicted, and worst-case profit scenarios.
/m/bz-oracle-the-undesirables-com/api/v1/grade-or-not0.1 USDC
V1 Market
Daily TCGCSV market data snapshot with top movers, price changes, and volume trends across all 13 supported TCG games.
/m/bz-oracle-the-undesirables-com/api/v1/market0.025 USDC
Phygital Arbitrage
Phygital Arbitrage Screener: cross-references Courtyard.io tokenized card listings against TCGPlayer raw prices to find BUY/SELL signals. Covers 267K+ vaulted, insured, tradeable cards on Polygon.
/m/bz-oracle-the-undesirables-com/api/v1/phygital/arbitrage0.1 USDC
V1 Portfolio Optimize
Optimize a trading card portfolio with Markowitz mean-variance analysis over conformal-calibrated risk forecasts (Monte Carlo GBM/Merton available opt-in). Provide a list of card names, budget, and risk tolerance (conservative/moderate/aggressive) to receive optimal position sizing, per-card allocation weights, Sharpe ratios, and rebalancing recommendations.
/m/bz-oracle-the-undesirables-com/api/v1/portfolio-optimize0.5 USDC
V1 Simulate
Predict the future market value of any collectible trading card with a conformal-calibrated risk forecast (default): regime-aware split-conformal bands fit on real holdout residuals, returning calibrated forecast percentiles (5th–95th), honest VaR/CVaR, and Safe-Hold/Momentum letter grades. Monte Carlo models (GBM / Merton Jump-Diffusion with Poisson jumps) are available opt-in via model=. Covers
/m/bz-oracle-the-undesirables-com/api/v1/simulate0.015 USDC
V1 Trending
Trending Cards Feed: returns the top trading cards by market activity (30-day sales volume, views, price velocity). Covers all 25 supported TCG games. Useful for autonomous buy/sell agents tracking market momentum and identifying emerging opportunities.
/m/bz-oracle-the-undesirables-com/api/v1/trending0.025 USDC
V1 Verdict
The Decision Endpoint: one paid call composing everything a collector or agent needs to act on a card — live comps (raw + observed PSA/BGS/CGC graded asks), the conformal-calibrated 30-day forecast (median, 5th–95th bands, honest VaR, Safe-Hold and Momentum grades), and a grade-ROI answer, plus a deterministic MARKET STANCE grade. Composed from the same internals the individual endpoints serve, so
/m/bz-oracle-the-undesirables-com/api/v1/verdict0.3 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-oracle-the-undesirables-com/api/v1/arb-basket')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-oracle-the-undesirables-com/api/v1/arb-basket
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …