{"uid":"cap_odILP2WsI-t5Mm_xhZnqC","slug":"402milly-pixel-marketplace-purchase-79842dca","name":"402Milly Pixel Marketplace Purchase","description":"402Milly pixel marketplace — buy advertising pixels on the shared canvas ($1.00 USDC / 100 pixels). HTTP-native x402 endpoint by Ultravioleta DAO; MCP wrapper at mcp.402milly.xyz.","url":"https://api.402milly.xyz/purchase","method":"POST","headers":{},"bodySchema":{"type":"object","required":["x","y","title","width","height","linkUrl"],"properties":{"x":{"type":"integer","description":"Top-left X coordinate of the block"},"y":{"type":"integer","description":"Top-left Y coordinate of the block"},"title":{"type":"string","description":"Title shown on hover"},"width":{"type":"integer","description":"Block width in pixels (min 10)"},"height":{"type":"integer","description":"Block height in pixels (min 10)"},"linkUrl":{"type":"string","description":"URL the block links to"},"imageUrl":{"type":"string","description":"Image URL returned by POST /upload"}}},"responseSchema":{"pixels":100,"message":"Purchase successful","priceUSD":1,"purchaseId":"550e8400-e29b-41d4-a716-446655440000"},"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_0HTc0mHsYtd4jPUXtcpQ9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchase advertising pixels on the 402Milly shared canvas at $1.00 USDC per 100 pixels using HTTP-native x402 payment.","exampleAgentPrompt":"Buy me 500 pixels on the 402Milly shared canvas for advertising — that's $5 USDC — and place my logo image at coordinates (100, 200).","exampleUseCases":[{"title":"Brand visibility on pixel canvas","prompt":"I want to advertise my new NFT project on the 402Milly canvas — buy me 1000 pixels for $10 USDC and place my logo at the top-left area of the board."},{"title":"Small startup pixel ad placement","prompt":"Can you grab 100 pixels on the 402Milly pixel marketplace for my coffee shop Morning Bloom? That's $1 USDC — put it somewhere visible on the shared canvas."},{"title":"Campaign pixel block reservation","prompt":"I'm running a promotional campaign for my app and want to reserve 2000 pixels on the 402Milly canvas, spending $20 USDC. Place my banner graphic in the center region."}],"resultDescription":"A confirmation receipt of the pixel purchase including the number of pixels bought, canvas coordinates where the pixels are placed, the USDC amount charged, and a transaction record confirming the x402 payment was processed.","failureModes":["Insufficient USDC balance — payment rejected by x402 protocol","Requested canvas coordinates already occupied by another buyer","Invalid pixel count — must be a multiple of 100","Payment authorization failure via x402 header","Canvas region sold out or unavailable","Network timeout during x402 payment settlement"],"whenToPreferThis":"Choose this endpoint when you want to purchase advertising space on the 402Milly shared pixel canvas using USDC via the HTTP-native x402 payment protocol. Ideal for crypto-native advertisers and web3 projects wanting low-cost, permissionless ad placement without traditional ad network intermediaries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:38:31.182Z","isFirstParty":false}