{ "x402Version": 2, "id": 35622, "slug": "35622", "resource": "https://agentsvc.io/api/v1/proxy/tts", "description": "Convert text to natural speech audio (MP3, WAV or OGG) with neural Piper voices: en-female, en-male (US English) and de-male (German); all voices public domain or CC0, so the audio can be used commercially. Params: text (required, max 2000 characters), voice (default en-female, or picked from language), language (en or de), speed (0.5 to 2, default 1), format (mp3 default, wav, ogg). Returns audio_base64 and duration.", "type": "http", "serviceName": "Text to Speech", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png", "resourceType": "Web Intelligence", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "40000", "amountUsd": 0.04, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "40000", "amountUsd": 0.04, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "40000", "amountUsd": 0.04, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "40000", "amountUsd": 0.04, "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "properties": { "data": { "properties": { "audio_base64": { "type": "string" }, "characters": { "type": "integer" }, "duration_seconds": { "type": "number" }, "format": { "type": "string" }, "gender": { "type": "string" }, "language": { "type": "string" }, "mime_type": { "type": "string" }, "size_bytes": { "type": "integer" }, "voice": { "type": "string" }, "voice_license": { "type": "string" } }, "required": [ "format", "duration_seconds", "audio_base64" ], "type": "object" }, "success": { "type": "boolean" } }, "required": [ "success", "data" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "category": "text", "info": { "input": { "body": { "text": "Hello from agentsvc. Your report is ready.", "voice": "en-female" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "data": { "audio_base64": "SUQzBAAAAAAAI1RTU0UAAAAPAAADTGF2…", "characters": 42, "duration_seconds": 2.93, "format": "mp3", "gender": "female", "language": "en-US", "mime_type": "audio/mpeg", "size_bytes": 23658, "voice": "en-female", "voice_license": "public domain" }, "success": true }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "properties": { "format": { "default": "mp3", "enum": [ "mp3", "wav", "ogg" ], "type": "string" }, "language": { "enum": [ "en", "de" ], "type": "string" }, "speed": { "default": 1, "maximum": 2, "minimum": 0.5, "type": "number" }, "text": { "type": "string" }, "voice": { "enum": [ "en-female", "en-male", "de-male" ], "type": "string" } }, "required": [ "text" ] }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "data": { "properties": { "audio_base64": { "type": "string" }, "characters": { "type": "integer" }, "duration_seconds": { "type": "number" }, "format": { "type": "string" }, "gender": { "type": "string" }, "language": { "type": "string" }, "mime_type": { "type": "string" }, "size_bytes": { "type": "integer" }, "voice": { "type": "string" }, "voice_license": { "type": "string" } }, "required": [ "format", "duration_seconds", "audio_base64" ], "type": "object" }, "success": { "type": "boolean" } }, "required": [ "success", "data" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" }, "tags": [ "tts", "speech", "audio", "voice", "mp3", "text-to-speech", "speech-synthesis" ] }, "builder-code": { "info": { "a": "bc_q6wi3opd" } } }, "tags": [ "tts", "speech", "audio", "voice", "mp3", "bazaar", "builder-code" ], "sourceHost": "agentsvc.io", "lastUpdated": "2026-10-11T11:57:42.798Z", "quality": { "calls30d": 11, "uniquePayers30d": 3, "lastCalledAt": "2026-10-11T11:57:42.595Z" }, "metadata": { "serviceName": "Text to Speech", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png", "extensions": { "bazaar": { "category": "text", "info": { "input": { "body": { "text": "Hello from agentsvc. Your report is ready.", "voice": "en-female" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "data": { "audio_base64": "SUQzBAAAAAAAI1RTU0UAAAAPAAADTGF2…", "characters": 42, "duration_seconds": 2.93, "format": "mp3", "gender": "female", "language": "en-US", "mime_type": "audio/mpeg", "size_bytes": 23658, "voice": "en-female", "voice_license": "public domain" }, "success": true }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "properties": { "format": { "default": "mp3", "enum": [ "mp3", "wav", "ogg" ], "type": "string" }, "language": { "enum": [ "en", "de" ], "type": "string" }, "speed": { "default": 1, "maximum": 2, "minimum": 0.5, "type": "number" }, "text": { "type": "string" }, "voice": { "enum": [ "en-female", "en-male", "de-male" ], "type": "string" } }, "required": [ "text" ] }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "data": { "properties": { "audio_base64": { "type": "string" }, "characters": { "type": "integer" }, "duration_seconds": { "type": "number" }, "format": { "type": "string" }, "gender": { "type": "string" }, "language": { "type": "string" }, "mime_type": { "type": "string" }, "size_bytes": { "type": "integer" }, "voice": { "type": "string" }, "voice_license": { "type": "string" } }, "required": [ "format", "duration_seconds", "audio_base64" ], "type": "object" }, "success": { "type": "boolean" } }, "required": [ "success", "data" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" }, "tags": [ "tts", "speech", "audio", "voice", "mp3", "text-to-speech", "speech-synthesis" ] }, "builder-code": { "info": { "a": "bc_q6wi3opd" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "agentsvc.io", "manifest_name": "agentsvc.io", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "data": { "audio_base64": "string", "characters": 0, "duration_seconds": 0, "format": "string", "gender": "string", "language": "string", "mime_type": "string", "size_bytes": 0, "voice": "string", "voice_license": "string" }, "success": true }, "type": "string" } }