{"uid":"cap_CznJXCjrHuJrjzwUDn1Mh","slug":"delx-commerce-ethereum-15-minute-up-down-prediction-2c9653c3","name":"Delx Commerce — Ethereum 15-Minute Up/Down 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-15m?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":0.800406,"p_down":0.199594},"warnings":["caller_supplied_prices_not_verified","probability_is_uncalibrated","not_trading_advice"],"data_quality":{"label":"adequate_input_coverage","score":0.754056,"observations_used":8},"horizon_minutes":15,"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_9sQcguoavqVPU9oNuK901","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 series of caller-supplied ETH price observations, returns a probabilistic up/down prediction for the next 15 minutes","exampleAgentPrompt":"Using my last 8 ETH price observations (e.g. prices ranging from $3200 to $3240 over the past hour with timestamps), give me a 15-minute up/down probability estimate for Ethereum — I want to know if the lean is up or down and how confident the model is.","exampleUseCases":[{"title":"DeFi trading bot direction signal","prompt":"I have 20 recent ETH price data points with Unix timestamps from the past 30 minutes — run a 15-minute up/down prediction and tell me the probability of ETH going up so my bot can decide whether to open a long position."},{"title":"Crypto dashboard alert trigger","prompt":"My dashboard just collected 12 ETH price samples over the last hour with a window open price of $3150. Can you compute the 15-minute directional prediction and flag me if the model leans down with more than 70% confidence?"},{"title":"Backtesting signal quality check","prompt":"I have a historical ETH price series of 50 observations with timestamps from last Tuesday. Run the 15-minute up/down estimate on that window and tell me the data quality score and which direction the model leaned."}],"resultDescription":"Returns a JSON object containing: the asset (ETH), model metadata (version, calibration warnings), prediction status ('estimate'), a directional lean ('up' or 'down'), p_up and p_down probabilities, a data quality score and label, the 15-minute horizon, and a list of warnings about data provenance and calibration.","failureModes":["Fewer than 8 observations provided — request rejected (minItems constraint)","Timestamps not in valid Unix epoch format — validation error","Prices outside allowed range (1e-12 to 1e15) — validation error","Uncalibrated probabilities — model warns but still returns estimate","Insufficient payment via x402 — 402 Payment Required response","Probability outputs are explicitly flagged as uncalibrated and not suitable for live trading without further validation"],"whenToPreferThis":"Use this endpoint when you have a series of caller-supplied ETH price observations and need a fast, pay-per-call 15-minute directional probability estimate with no account setup, verifiable delivery, and a fixed $0.003 USDC cost. Prefer this over free model APIs when you need guaranteed response pricing and cryptographic payment receipts. Note that probabilities are explicitly uncalibrated, so this is best used as a signal input rather than a standalone trading decision.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T03:00:57.519Z","isFirstParty":false,"canonicalSlug":"delx-commerce-ethereum-15-minute-up-down-prediction-2c9653c3"}