GPT-5.6 Luna Text Translation (x402)

Choose this endpoint when you need per-call, pay-as-you-go machine translation without a subscription, especially in agentic workflows that require micropayment billing via x402 on Base. It is well-suited for translating medium-to-large text blocks (up to 700k chars) where GPT-5.6 Luna quality is desired and cost predictability per request matters. Prefer alternatives if you need batch translation APIs, free-tier access, or non-USDC payment methods.

• Missing or empty 'text' input returns a validation error
• Unsupported or unrecognized language codes may produce poor-quality or English fallback output
• Exceeding the 700,000 character input limit triggers a 400 error
• max_tokens set too low may result in truncated translations
• Payment failure or insufficient USDC balance returns a 402 Payment Required response
• Rate limits or upstream model unavailability may return 503 errors