OpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with code already built against the OpenAI TTS API, 1 of 10 standard voices, up to 500 characters, WAV/FLAC/OGG output. Use it to: swap OpenAI TTS calls for a pay-per-call x402 alternative, generate speech from an existing OpenAI-style client, avoid API-key management for short text-to-audio requests. USDC on Base.

OpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with existing OpenAI TTS clients, 1 of 10 standard voices, for 501-2000 characters, WAV/FLAC/OGG output. Use it to: voice a longer OpenAI-formatted request without an API key, migrate an existing TTS integration to pay-per-call pricing, synthesize extended text through a familiar request shape. USDC on Base via x402.

Text-to-speech synthesis in 1 of 10 standard voices (5 male M1-M5, 5 female F1-F5) across 31 languages, up to 500 characters, returned as inline WAV audio. Use it to: give an agent a spoken reply, read an alert aloud, narrate a short UI prompt, add voice to a chatbot response, speak a confirmation message. Cheapest tier. USDC on Base via x402, no API key, no signup.

Text-to-speech synthesis in 1 of 10 standard voices (M1-M5 male, F1-F5 female) across 31 languages, for longer text from 501 up to 2000 characters, returned as inline WAV audio. Use it to: read a full paragraph aloud, narrate a multi-sentence agent summary, voice an email or article excerpt, turn a longer LLM response into spoken audio, generate audio for a script section. USDC on Base via x402, no API key.

Batch text-to-speech: synthesize up to 20 separate text items in a single call, standard voices only, up to 500 total characters, returns JSON with base64 WAV audio plus duration and sample rate per item. Use it to: voice a list of short UI strings at once, generate audio for multiple notification templates, batch-produce voice lines for a menu or form, synthesize several short replies in one request. USDC on Base via x402.

Batch text-to-speech: synthesize up to 20 text items in a single call, standard voices only, for 501-2000 total characters, returns JSON with base64 WAV audio plus duration and sample rate per item. Use it to: batch-voice a longer set of messages, produce audio for a multi-section script or FAQ, generate several paragraph-length voice clips in one request without repeated calls. USDC on Base via x402.

Expressive text-to-speech in any of 20 voices: 10 standard (M1-M5, F1-F5) plus 10 personas (Storyteller, Narrator, Announcer, Urgent, Velvet, Sage, Spark, Anchor, Echo, Assistant), with speed and quality control, up to 500 characters, WAV output. Use it to: voice a game character, narrate a branded assistant reply, add a dramatic announcer line, give a chatbot personality-driven audio. USDC on Base.

Expressive text-to-speech in any of 20 voices, standard M1-M5/F1-F5 plus personas like Storyteller, Narrator, Announcer, Urgent, Velvet, with speed and quality control, for 501-2000 characters, WAV output. Use it to: narrate a longer story or audiobook chapter, voice an extended character monologue, produce a branded multi-sentence announcement, script a persona-driven podcast segment. USDC on Base via x402.

Text-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, up to 500 characters, returned as WAV audio. Use it to: speak an urgent alert faster, slow a reading for clarity, tune synthesis quality against latency, produce a paced voice cue for a UI, generate a rushed or calm-toned notification. USDC on Base via x402, no API key.

Text-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, for 501-2000 characters, returned as WAV audio. Use it to: pace a longer narration like a podcast intro, read a multi-paragraph script at a chosen speed, produce a slow deliberate reading of instructions, voice an extended alert or briefing. USDC on Base via x402.