{"uid":"cap_QKCVltvjFCNswvla8mDOb","slug":"imgnai-katana-api-claude-opus-4-8-text-completion-c354bbda","name":"imgnAI Katana API – Claude Opus 4.8 Text Completion","description":"Pay-per-call AI gateway: Frontier/SOTA LLM, Image, and Video models - and proprietary low-cost imgnAI models. Includes GPT 5.5, Opus 4.8, GPT Image 2, Nano Banana 2, Seedance 2.0, Happy Horse, and Google Omni. Fully compatible with OpenAPI, HermesOS, and OpenClaw.","url":"https://kat.imgnai.com/v1/text/claude-opus-48","method":"POST","headers":{},"bodySchema":{"type":"object","required":["messages"],"properties":{"messages":{"type":"array"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.052","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":"$0.052/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.052","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.052","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FtnAf1eWt5Q8oxNVBSTTq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.052","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Pay-per-call text completion endpoint using Anthropic's Claude Opus 4.8 model via the imgnAI Katana AI gateway, billed at $0.05425 USDC per call over x402.","exampleAgentPrompt":"Use the Katana gateway's Claude Opus 4.8 endpoint to answer this question with up to 1024 tokens and a temperature of 0.7: 'Explain the key differences between transformer and mamba architectures for sequence modeling.'","exampleUseCases":null,"resultDescription":"Returns an OpenAI-compatible response object with a 'choices' array containing the model's generated text, along with a 'usage' object detailing token counts for the request and response.","failureModes":["Payment failure: x402 payment not processed or insufficient USDC balance","Invalid messages array: missing required 'messages' field returns 400 error","Model unavailable: upstream Anthropic service disruption causes 503","Rate limiting: too many concurrent requests results in 429","Malformed request body: incorrect JSON schema returns 400 validation error","Context length exceeded: messages exceed Claude Opus 4.8 context window"],"whenToPreferThis":"Choose this endpoint when you need Claude Opus-level reasoning quality on a per-call basis without committing to an Anthropic subscription, especially in agentic workflows that support x402 USDC micropayments and OpenAI-compatible API schemas.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:42:56.509Z","isFirstParty":false}