{ "version": 1, "spec": "x402-discovery/1", "name": "utunumus", "description": "x402 pay-per-deliverable media utilities for AI agents: background removal, upscaling, text-to-speech and image generation. No account, no API key — the wallet is the account.", "resources": [ "https://studio.utunumus.com/v1/image.remove-background", "https://studio.utunumus.com/v1/image.upscale", "https://studio.utunumus.com/v1/audio.speech", "https://studio.utunumus.com/v1/image.generate", "https://studio.utunumus.com/v1/image.generate-quality" ], "metadata": { "https://studio.utunumus.com/v1/image.remove-background": { "x402Version": 2, "method": "POST", "type": "http", "serviceName": "utunumus — Background removal", "description": "Background-removal (background removal, cutout): cut the subject out of an image and return it on a transparent background. 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Max 4 MB once decoded." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "22000" }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "payTo": "HLzoY2qBfCXiY9xAKqp6iTyfad61Z4rQsKV5KvWzUeXY", "resource": "https://studio.utunumus.com/v1/image.upscale", "description": "Image upscaling", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "image_base64": "example" } }, "output": { "type": "json", "example": { "sku": "image.generate", "status": "delivered", "model": "example-model", "content_type": "image/png", "bytes": 12345, "image_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "image_base64" ], "properties": { "image_base64": { "type": "string", "description": "Base64-encoded source image. Max 4 MB once decoded." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "22000" } ], "inputSchema": { "type": "object", "required": [ "image_base64" ], "properties": { "image_base64": { "type": "string", "description": "Base64-encoded input image." } } } }, "https://studio.utunumus.com/v1/audio.speech": { "x402Version": 2, "method": "POST", "type": "http", "serviceName": "utunumus — Text-to-speech (TTS)", "description": "Turn text into spoken audio (MP3). Returns the audio as base64 in the response. Up to 600 characters per call — the upstream bills per character.", "mimeType": "application/json", "tags": [ "content", "media", "audio", "speech" ], "accepts": [ { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x79EbDE4B4582F6f81598Ed97eC8Cc1025C497d53", "resource": "https://studio.utunumus.com/v1/audio.speech", "description": "Text-to-speech (TTS)", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "name": "USD Coin", "version": "2", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "audio.speech", "status": "delivered", "model": "tts-eleven-labs", "content_type": "audio/mpeg", "bytes": 26375, "audio_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "12000" }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "payTo": "HLzoY2qBfCXiY9xAKqp6iTyfad61Z4rQsKV5KvWzUeXY", "resource": "https://studio.utunumus.com/v1/audio.speech", "description": "Text-to-speech (TTS)", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "audio.speech", "status": "delivered", "model": "tts-eleven-labs", "content_type": "audio/mpeg", "bytes": 26375, "audio_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "12000" } ], "inputSchema": { "type": "object", "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "Input text." } } } }, "https://studio.utunumus.com/v1/image.generate": { "x402Version": 2, "method": "POST", "type": "http", "serviceName": "utunumus — Text-to-image generation", "description": "Text-to-image (text to image, image generation, AI art): one image from a text prompt. Measured ~5s end to end.", "mimeType": "application/json", "tags": [ "content", "media", "image", "generate" ], "accepts": [ { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x79EbDE4B4582F6f81598Ed97eC8Cc1025C497d53", "resource": "https://studio.utunumus.com/v1/image.generate", "description": "Text-to-image generation", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "name": "USD Coin", "version": "2", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "image.generate", "status": "delivered", "model": "example-model", "content_type": "image/png", "bytes": 12345, "image_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "10000" }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "payTo": "HLzoY2qBfCXiY9xAKqp6iTyfad61Z4rQsKV5KvWzUeXY", "resource": "https://studio.utunumus.com/v1/image.generate", "description": "Text-to-image generation", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "image.generate", "status": "delivered", "model": "example-model", "content_type": "image/png", "bytes": 12345, "image_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "10000" } ], "inputSchema": { "type": "object", "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "Input text." } } } }, "https://studio.utunumus.com/v1/image.generate-quality": { "x402Version": 2, "method": "POST", "type": "http", "serviceName": "utunumus — Photorealistic text-to-image", "description": "Text-to-image, photorealistic: a higher-fidelity render from a text prompt. Measured ~10s end to end.", "mimeType": "application/json", "tags": [ "content", "media", "image", "generate-quality" ], "accepts": [ { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x79EbDE4B4582F6f81598Ed97eC8Cc1025C497d53", "resource": "https://studio.utunumus.com/v1/image.generate-quality", "description": "Photorealistic text-to-image", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "name": "USD Coin", "version": "2", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "image.generate", "status": "delivered", "model": "example-model", "content_type": "image/png", "bytes": 12345, "image_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "18000" }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "payTo": "HLzoY2qBfCXiY9xAKqp6iTyfad61Z4rQsKV5KvWzUeXY", "resource": "https://studio.utunumus.com/v1/image.generate-quality", "description": "Photorealistic text-to-image", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": { "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww", "facilitator": "https://facilitator.payai.network" }, "outputSchema": { "input": { "method": "POST", "type": "http" }, "output": null }, "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "POST", "bodyType": "json", "body": { "prompt": "example" } }, "output": { "type": "json", "example": { "sku": "image.generate", "status": "delivered", "model": "example-model", "content_type": "image/png", "bytes": 12345, "image_base64": "", "settlement": { "network": "eip155:8453", "payer": "0x...", "transaction": "0x..." } } } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "additionalProperties": false, "required": [ "input" ], "properties": { "input": { "type": "object", "additionalProperties": false, "required": [ "type", "method", "bodyType", "body" ], "properties": { "type": { "const": "http", "type": "string" }, "method": { "enum": [ "POST", "PUT", "PATCH" ], "type": "string" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "body": { "type": "object", "additionalProperties": false, "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "What to generate or say. Max 600 characters for audio.speech (the upstream bills per character)." } } } } }, "output": { "type": "object", "required": [ "type", "example" ], "properties": { "type": { "const": "json", "type": "string" }, "example": { "type": "object" } } } } } } }, "amount": "18000" } ], "inputSchema": { "type": "object", "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "description": "Input text." } } } } }, "payment": { "x402": { "version": 2, "currency": "USDC", "networks": [ "eip155:8453", "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp" ], "primaryNetwork": "eip155:8453", "priceRange": "$0.008–$0.022", "payTo": "0x79EbDE4B4582F6f81598Ed97eC8Cc1025C497d53", "payToSolana": "HLzoY2qBfCXiY9xAKqp6iTyfad61Z4rQsKV5KvWzUeXY" } }, "machineReadable": { "catalog": "https://studio.utunumus.com/catalog", "openapi": "https://studio.utunumus.com/openapi.json", "llmsTxt": "https://studio.utunumus.com/llms.txt", "health": "https://studio.utunumus.com/health" }, "capabilities": { "deliverables": 5, "categories": [ { "key": "image", "label": "Image utilities", "deliverables": 4 }, { "key": "audio", "label": "Audio utilities", "deliverables": 1 } ] }, "trust": { "onchainRevenueProof": "https://basescan.org/address/0x79EbDE4B4582F6f81598Ed97eC8Cc1025C497d53", "failedCallsNeverCharged": "structural: the body is validated before payment is taken" } }