{"uid":"cap_qT0fRAIjWmJcmkIyJ9SKa","slug":"deepgram-text-to-speech-aura-2-via-locus-x402-9681436e","name":"Deepgram Text-to-Speech (Aura-2) via Locus x402","description":"Industry-leading speech AI — transcribe audio from URLs with Nova-3, generate natural speech with Aura-2 TTS, and analyze text for sentiment, topics, intents, and summaries.","url":"https://deepgram.x402.paywithlocus.com/deepgram/speak?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"},"model":{"type":"string"},"encoding":{"type":"string"},"container":{"type":"string"},"sample_rate":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{},"payment":{"scheme":"exact","settledUsdc":"0.001000","authorizedMaxUsdc":"0.001000"},"request":{"id":"00000000-0000-4000-8000-000000000000","statusUrl":"/requests/00000000-0000-4000-8000-000000000000"},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.023","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.023/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.023","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.023","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rmD62sU8ml0bxaVIOzK69","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.023","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text into natural-sounding speech audio using Deepgram's Aura-2 TTS models, returning audio in configurable formats and encodings.","exampleAgentPrompt":"Use Deepgram Aura-2 to read this aloud in the Thalia voice as an mp3: 'Welcome to our platform. We're glad you're here. Let's get started together.'","exampleUseCases":[{"title":"Podcast intro narration","prompt":"Generate a natural-sounding mp3 voiceover using the Aura-2 Apollo voice that says: 'Hello and welcome back to Tech Insights Weekly. I'm your host, and today we're covering the biggest AI breakthroughs of the year.'"},{"title":"Accessibility audio for article","prompt":"Convert this article summary to speech using Deepgram's Aura-2 Orion voice in wav format at 16000 Hz sample rate: 'Scientists have discovered a new species of deep-sea fish capable of producing bioluminescent light in three distinct colors.'"},{"title":"Voice assistant response audio","prompt":"Synthesize the following customer service reply as speech in mp3 using the default Thalia voice: 'Your order has been confirmed and will arrive within 3 to 5 business days. Thank you for shopping with us.'"}],"resultDescription":"Returns a JSON object containing the generated audio data payload, payment confirmation details (settled and authorized USDC amounts), a unique request ID, a status URL for tracking, and a success flag. The audio content is embedded in the `data` field.","failureModes":["Text exceeds recommended ~2000 character limit — may result in truncation or error","Invalid model name format (must follow aura-2-{voice}-{lang}) — returns validation error","Unsupported encoding/container combination — may return format error","Insufficient USDC payment — payment rejected before processing","Network timeout for long synthesis jobs — request may need retry via statusUrl"],"whenToPreferThis":"Choose this endpoint when you need high-quality, natural-sounding speech synthesis powered by Deepgram's Aura-2 models, especially when paying per-call via USDC x402 micropayments without API key management. Prefer over alternatives when you need flexible voice/encoding/format control (mp3, wav, flac, opus, etc.) and want Deepgram's production-grade TTS quality on a pay-as-you-go basis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:32:47.501Z","isFirstParty":false,"canonicalSlug":"deepgram-text-to-speech-aura-2-via-locus-x402-9681436e"}