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settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"transform_image","name":"Image resize and format conversion","resource":"https://api.delx.ai/api/v1/x402/image-transform","method":"POST","input":{"image_base64":"PNG, JPEG or WebP up to 6 MiB","output_format":"webp | png | jpeg","max_dimension":"256-2048"},"output":"Durable transformed image URL, output dimensions, format, SHA-256 and receipt.","price_usdc":"0.001","price_microunits":1000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"generate_speech_hd","name":"High-fidelity expressive multilingual speech","resource":"https://api.delx.ai/api/v1/x402/speech-hd","method":"POST","input":{"text":"1-500 UTF-8 bytes","voice":"curated EN/PT/ES","language":"optional","emotion":"optional","speed":"0.5-2.0","pitch":"-12 to 12"},"output":"Validated 32 kHz mono WAV URL, voice metadata, SHA-256, provider cost and margin receipt.","price_usdc":"0.08","price_microunits":80000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"narrated_post","name":"Narrated still-image post","resource":"https://api.delx.ai/api/v1/x402/narrated-post","method":"POST","input":{"image_prompt":"string","narration":"1-500 characters","aspect_ratio":"1:1 | 16:9 | 9:16","voice":"optional","speed":"0.5-2.0"},"output":"Durable narrated MP4, source image and WAV URLs, SHA-256, component receipts, provider source, cost and margin.","price_usdc":"0.02","price_microunits":20000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"create_await","name":"Durable outcome promise","resource":"https://api.delx.ai/api/v1/x402/await","method":"POST","input":{"idempotency_key":"string","condition":"time | webhook","resume_envelope":"opaque ciphertext","delivery":"claim | webhook"},"output":"Promise ID, capability, lifecycle receipt, and later claimable continuation envelope.","price_usdc":"0.01","price_microunits":10000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"post_rfq","name":"Post an agent RFQ","resource":"https://api.delx.ai/api/v1/x402/demand/rfqs","method":"POST","input":{"capability_family":"string","public_task":"PII-free object","budget_ceiling_usdc":"decimal string","deadline":"ISO-8601","resume_envelope":"opaque ciphertext"},"output":"RFQ ID, buyer capability and an Ed25519-signed creation or rejection receipt.","price_usdc":"0.003","price_microunits":3000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"demand_feed","name":"Agent demand feed","resource":"https://api.delx.ai/api/v1/x402/demand/feed","method":"POST","input":{"capability_family":"optional string","limit":"1-500"},"output":"Sanitized open RFQs with budgets, deadlines, contracts, criteria and first-party disclosure.","price_usdc":"0.003","price_microunits":3000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"util_api_health_report","name":"API health report","resource":"https://api.delx.ai/api/v1/x402/api-health-report","method":"POST","input":{"url":"HTTPS endpoint","timeout":"1-15 seconds"},"output":"Structured status, latency, redirect, content-type and JSON-validity result.","price_usdc":"0.001","price_microunits":1000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"util_openapi_summary","name":"OpenAPI summary","resource":"https://api.delx.ai/api/v1/x402/openapi-summary","method":"POST","input":{"url":"HTTPS origin or OpenAPI JSON URL","timeout":"1-15 seconds"},"output":"Structured API title, version, path counts, tags and authentication hints.","price_usdc":"0.001","price_microunits":1000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"},{"tool_name":"util_x402_resource_summary","name":"x402 resource summary","resource":"https://api.delx.ai/api/v1/x402/resource-summary","method":"POST","input":{"url":"HTTPS x402 server origin","timeout":"1-15 seconds"},"output":"Structured x402 resource count, payment networks and canonical paths.","price_usdc":"0.001","price_microunits":1000,"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","buyer_auth":"none; settle the HTTP 402 challenge with PAYMENT-SIGNATURE"}],"discovery":{"x402":"https://api.delx.ai/.well-known/x402","openapi":"https://api.delx.ai/openapi.json","paid_openapi":"https://api.delx.ai/openapi.x402.json","openapi_yaml":"https://api.delx.ai/openapi.yaml","agent_card":"https://api.delx.ai/.well-known/agent-card.json","mcp_server":"https://api.delx.ai/.well-known/mcp/server.json","llms":"https://api.delx.ai/llms.txt","llms_full":"https://api.delx.ai/llms-full.txt","agents":"https://api.delx.ai/agents.txt","toolkit":"https://api.delx.ai/agent-toolkit.json","business_portfolio":"https://api.delx.ai/x402-portfolio.json","skill":"https://api.delx.ai/skill-commerce.md","protocol_skill":"https://api.delx.ai/skill.md","reliability":"https://api.delx.ai/api/v1/reliability","commerce":"https://delx.ai/commerce"},"delivery_contract":{"input_validation":"before_payment","success_requires":["durable_artifact","sha256","generation_receipt"],"post_settlement_failure":"full_refund_queue"},"support":"mailto:support@delx.ai"}