{"uid":"cap_FSvZ35swKbcxniVS4b8rr","slug":"delx-commerce-ethereum-30-minute-up-down-price-prediction-2989a683","name":"Delx Commerce — Ethereum 30-Minute Up/Down Price Prediction","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/ethereum-up-down-30m?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"fee_bps":{"type":"integer","maximum":1000,"minimum":0},"observations":{"type":"array","items":{"type":"object","required":["timestamp","price"],"properties":{"price":{"type":"number","maximum":1000000000000000,"minimum":1e-12},"timestamp":{"type":"integer","minimum":1}},"additionalProperties":false},"maxItems":240,"minItems":8},"market_up_price":{"type":"number","maximum":1,"minimum":0},"market_down_price":{"type":"number","maximum":1,"minimum":0},"window_open_price":{"type":"number","maximum":1000000000000000,"minimum":1e-12},"window_close_timestamp":{"type":"integer","minimum":1}}},"responseSchema":{"type":"json","example":{"asset":"ETH","model":{"version":"delx-local-updown-v1","no_live_market_data":true,"probability_is_uncalibrated":true,"deterministic_for_same_input":true},"schema":"delx/prediction-updown-estimate/v1","status":"estimate","estimate":{"lean":"up","p_up":0.800833,"p_down":0.199167},"warnings":["caller_supplied_prices_not_verified","probability_is_uncalibrated","not_trading_advice"],"data_quality":{"label":"adequate_input_coverage","score":0.758333,"observations_used":8},"horizon_minutes":30,"input_provenance":"caller_supplied"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0dnWVsbku-Ri5rVEOBDSH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a sequence of Ethereum price observations, returns a probabilistic up/down prediction for the next 30 minutes using a local model.","exampleAgentPrompt":"Based on these last 30 minutes of Ethereum price observations — starting at $3,200 and closing most recently at $3,245 — what's the probability ETH will be higher or lower in the next 30 minutes?","exampleUseCases":[{"title":"DeFi bot pre-trade directional check","prompt":"I have 8 recent ETH price ticks from the last 10 minutes starting at $2,980 and ending at $3,010 — can you give me a probability estimate for whether ETH will be up or down 30 minutes from now before I execute this trade?"},{"title":"Automated crypto dashboard signal","prompt":"Every 15 minutes, take the last 20 ETH price observations and tell me the probability it goes up or down over the next 30 minutes so I can display a directional signal on my dashboard."},{"title":"Backtesting directional model accuracy","prompt":"I have a set of historical Ethereum price windows with 12 observations each and a known window open price — run each through the 30-minute up/down estimator and return the predicted lean and p_up so I can compare against actual outcomes."}],"resultDescription":"Returns a JSON object containing: the predicted directional lean ('up' or 'down'), probability of upward movement (p_up) and downward movement (p_down) summing to 1, the model version and metadata flags (uncalibrated, deterministic), a data quality label and score, the number of observations used, and a list of warnings such as 'not_trading_advice' and 'probability_is_uncalibrated'.","failureModes":["Fewer than 8 observations provided — request rejected, minItems constraint violated","Price values outside allowed range (below 1e-12 or above 1e15) — validation error","Uncalibrated probabilities: model explicitly warns output may not reflect true market probabilities","No live market data used — predictions are based solely on caller-supplied prices, not verified","Low data quality score if observations are sparse or cover a short time window"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call, no-signup probabilistic directional forecast for Ethereum over a 30-minute horizon, powered entirely by caller-supplied price data without requiring any external market data feed. It is ideal for autonomous agents that already have price history and want a structured probability estimate with explicit uncertainty warnings, and when verifiable micropayment delivery via x402/USDC is required. Avoid it when you need calibrated trading signals, live market data integration, or forecasts for assets other than ETH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:56:43.714Z","isFirstParty":false,"canonicalSlug":"delx-commerce-ethereum-30-minute-up-down-price-prediction-2989a683"}