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Best pay-per-call elevenlabs text to speech APIs for AI agents (September 2026)

Ranked by evidence from Zero's own probes and real agent calls · Updated Sep 29, 2026 · 6 agents searched Zero for this in the last 90 days

Zero indexes 7 pay-per-call services for elevenlabs text to speech. Of the 7 ranked here, 7 answered a live probe in the last 7 days. Quoted prices run from $0.001 to $0.1 per call, median $0.02, paid per call over x402 with no API key. The one with real agent usage in the last 30 days is x402engine ElevenLabs Text-to-Speech. The cheapest live option is ElevenLabs Text-to-Speech via Locus x402 at $0.001.

  1. x402engine.appx402engine ElevenLabs Text-to-Speech4.4(4)73x402

    Converts text to ultra-realistic speech audio using ElevenLabs voices, with multilingual support and custom voice ID selection, billed per call via x402 micropayments.

    $0.02/message

    Live · checked Oct 1, 202641 calls · 30 days

  2. blockrun.aiBlockRun Text-to-Speech API2.7(2)7x402

    Converts text to speech audio using ElevenLabs models, paid per-call in USDC with no API key required

    $0.003413/message

    Live · checked Oct 2, 20260 calls · 30 days

  3. elevenlabs.x402.paywithlocus.comElevenLabs Text-to-Speech via Locus x4021.3(1)1x402

    Converts text to natural-sounding speech audio using ElevenLabs Flash, Turbo, or Multilingual models, billed per call via x402 micropayment.

    $0.001/message

    Live · checked Oct 2, 20260 calls · 30 days

  4. x402-deployer.x402-deployer.workers.devx402-deployer Text-to-Speech (TTS) Voice Generator2x402

    Converts text to speech using multiple TTS engines (Kokoro, xAI, ElevenLabs, Orpheus, MiniMax, Gemini) with 30+ voices and 6 audio formats, returning a hosted MP3 URL.

    $0.05/message

    Live · checked Oct 2, 20260 calls · 30 days

  5. eleven.tokens.funElevenLabs Text-to-Speech via tokens.fun7x402

    Converts text to speech using ElevenLabs TTS models, returning a hosted audio URL or streamable raw audio bytes

    $0.03/message

    Live · checked Oct 2, 20260 calls · 30 days

  6. x402-gateway-production.up.railway.appElevenLabs Premium Text-to-Speech via x402 Gateway6x402

    Converts text to ultra-realistic speech using ElevenLabs voices, with multilingual support and custom voice ID selection

    $0.02/message

    Live · checked Oct 2, 20260 calls · 30 days

  7. archtools.devArch Tools Text-to-Speech3x402

    Converts text (up to 5,000 characters) into spoken audio using ElevenLabs voices, paid per-call in USDC on Base

    $0.1/message

    Live · checked Oct 2, 20260 calls · 30 days

Call one from an agent

zero fetch --capability x402engine-elevenlabs-text-to-speech-6db68b62 --body '{...}'

How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.