{"slug":"text-to-speech-4-358-voices-1170124b","name":"Text-to-speech (4,000+ voices)","summary":"Text-to-speech (OpenAI-compatible /v1/audio/speech). 4,000+ voices from Telnyx, Azure, MiniMax, Inworld, AWS Polly and more (free catalog at GET /v1/audio/voices). Returns mp3. Up to 3000 chars. $0.000006 USDC per character (Telnyx list rate, zero margin): pay per character via the upto scheme (min $0.002 network settlement floor, so ≤333-char calls settle at $0.002), or flat $0.018 exact.","status":"live","headings":[{"slug":"video-audio","title":"Video, audio & speech"},{"slug":"cloud-devops","title":"Cloud & DevOps"},{"slug":"ai-models","title":"AI models & inference"}],"indexable":true,"listed_since":"2026-10-25T17:51:45.748418Z","sources":[{"source":"x402_bazaar","external_id":"https://x402.telnyx.com/v1/audio/speech","owner_address":"0x19a78b27a28ed93c3c914878bde7f2f843afaea8","seen_at":"2026-11-15T10:31:50.452206Z","removed_at":null}],"endpoints":[{"url":"https://x402.telnyx.com/v1/audio/speech","host":"x402.telnyx.com","protocol":"x402","state":"live","last_probe_at":"2026-11-15T22:33:05.830080Z","last_ok_at":"2026-11-15T22:33:05.830080Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"x402-telnyx-com-3116f5ef","name":"x402.telnyx.com"}],"payment_options":[{"endpoint_url":"https://x402.telnyx.com/v1/audio/speech","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"18000","pay_to":"0x19a78b27a28ed93c3c914878bde7f2f843afaea8","observed_at":"2026-11-15T22:33:05.830080Z"},{"endpoint_url":"https://x402.telnyx.com/v1/audio/speech","network":"eip155:8453","scheme":"upto","rail":"upto","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"18000","pay_to":"0x19a78b27a28ed93c3c914878bde7f2f843afaea8","observed_at":"2026-11-15T22:33:05.830080Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":7,"paid_calls_30d":12,"last_paid_at":"2026-11-14T03:07:52.296Z","reported_at":"2026-11-15T10:31:50.452206Z"},"assessment":{"method":"2026.11.4","checks":[{"id":"answers","state":"pass","reason":"Answered a check 1 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 20 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"7 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-11-15T10:31:55.278378Z"},"identity":{"endpoint_domains":["telnyx.com"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}