{"uid":"cap_BvK7pPA0y-WJEU5wj7D4O","slug":"relaystation-placeholder-image-generator-54da6088","name":"Relaystation Placeholder Image Generator","description":"$0.0002/call. Placeholder images at any size with label text — PNG or SVG. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny","url":"https://api.relaystation.ai/v1/generate/placeholder","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"text":{"type":"string","maxLength":120,"description":"Label text (default \"W×H\")."},"color":{"type":"string","maxLength":32},"width":{"type":"integer","maximum":4000,"minimum":8},"format":{"enum":["png","svg"],"type":"string"},"height":{"type":"integer","maximum":4000,"minimum":8},"background":{"type":"string","maxLength":32}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_x8-3fCd3FCIMBXEfoE0G9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates placeholder images at any specified size with optional label text, returning PNG or SVG output","exampleAgentPrompt":"Can you generate a 1200×630 placeholder image in PNG format with the label 'Hero Banner' on it — I need it for a mockup layout I'm building?","exampleUseCases":[{"title":"Wireframe mockup for web layout","prompt":"Make me a 800x400 PNG placeholder image that says 'Product Hero' in the middle — I'm putting together a wireframe and need something to fill the main banner slot."},{"title":"Prototype thumbnail grid filler","prompt":"I need a bunch of placeholder SVG images at 300x200 each, labeled 'Thumbnail' — I'm building a prototype product listing page and need filler images to show the grid layout."},{"title":"Email template placeholder graphic","prompt":"Generate a 600x200 PNG placeholder with the text 'Email Header' on it so I can preview how this email template will look before the real graphic is ready."}],"resultDescription":"Returns a placeholder image file (PNG or SVG) at the requested dimensions, filled with a neutral background and optionally displaying the specified label text centered on the image.","failureModes":["Invalid or missing dimension parameters return a 400 error","Unsupported output format string returns an error","Payment failure or insufficient x402 credits blocks the request","Extremely large dimensions may be rejected or time out","Label text that is too long may be truncated or overflow the image"],"whenToPreferThis":"Use this endpoint when you need a quick, programmatic placeholder image at precise dimensions with custom label text for UI mockups, wireframes, email templates, or any layout that requires a filler graphic. Prefer it over static stock placeholder services when you need dynamic sizing via API, SVG output support, or pay-per-call pricing with no subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:55:53.962Z","isFirstParty":false}