{"uid":"cap_PCuvA1p2a-2Rj_5zpPd3s","slug":"stabledesign-comment-create-ba27ec62","name":"StableDesign Comment Create","description":"Pay-per-call Canva design API via MPP micropayments. Create, list, export designs and upload assets.","url":"https://stabledesign.vercel.app/api/comments/create?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"message":{"type":"string","minLength":1},"design_id":{"type":"string","minLength":1},"assignee_id":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_kuS86OZ9MoLHkR7Aay7mz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates a comment on a Canva design via the StableDesign pay-per-call API using x402 micropayments","exampleAgentPrompt":"Add a comment to my Canva design (ID: abc123) saying 'Please adjust the font size on the headline to 36pt' — use StableDesign's micropayment API to post it.","exampleUseCases":null,"resultDescription":"Returns a newly created comment object including a comment ID, the comment text, author details, creation timestamp, and the design it was posted to.","failureModes":["Invalid or missing design ID returns 400 or 404","Authentication or payment failure via x402 micropayment returns 402 Payment Required","Malformed comment body returns 422 Unprocessable Entity","Canva API rate limit exceeded returns 429","Design not found or access denied returns 403"],"whenToPreferThis":"Use this endpoint when you need to programmatically post comments on Canva designs as part of an automated design review or feedback workflow, especially when paying per-call via x402 USDC micropayments is acceptable or preferred over subscription-based Canva API access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:32:53.769Z","isFirstParty":false,"canonicalSlug":"stabledesign-comment-create-ba27ec62"}