{"uid":"cap_lvu4FAT0SN2GjsgJiNW_5","slug":"100xsoon-mini-perp-open-position-52471fa5","name":"100xSOON Mini Perp Open Position","description":"100xSOON is the first x402 AI-native Mini Perp incubated by SOON.","url":"https://api.100xsoon.com/perp_base_usdc_payment/open_position","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"direction":{"type":"string"}}},"responseSchema":{"betTime":"string","orderId":"string","betPrice":"string","direction":"string"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jtCy5jPBzOPM1c4R7MXO-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Opens a perpetual futures (perp) trading position in a specified direction on the SOON-incubated x402 AI-native Mini Perp platform using USDC on Base","exampleAgentPrompt":"Open a long position on 100xSOON's Mini Perp right now.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the bet timestamp (betTime), a unique order ID (orderId), the price at which the bet was placed (betPrice), and the direction of the trade (direction: long or short).","failureModes":["Invalid direction value — must be a valid string enum (e.g. 'long' or 'short')","Insufficient USDC balance to cover the $1 payment fee","x402 payment failure or unauthorized payment header","Network or API downtime on api.100xsoon.com","Position rejected due to market conditions or limits"],"whenToPreferThis":"Choose this endpoint when an AI agent or user wants to open a directional perpetual futures position programmatically using the x402 payment protocol on Base with USDC, specifically on the 100xSOON Mini Perp platform incubated by SOON. Prefer this over generic DEX APIs when the agent is operating in an x402-native, AI-first trading context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:37:41.548Z","isFirstParty":false}