{ "generated_at": "2026-04-24T15:01:35.625676+00:00", "slug": "yddkctoq-nx-link-ai-chat", "title": "thirdweb \u00b7 Blockchain LLM Chat", "url": "https://yddkctoq.nx.link/ai/chat", "category": "ai", "summary": "Interact with t0, a blockchain-specialized LLM that understands on-chain context and can execute transactions with proper authorization.", "seo": { "title": "Blockchain LLM Chat API | thirdweb x402", "description": "Chat with t0, thirdweb's blockchain-specialized LLM via x402. Pay 0.003 USDC per call. OpenAI-compatible endpoint with on-chain transaction context on Base." }, "use_cases": [ "Execute natural language blockchain transactions", "Get contextual answers about on-chain activity", "Build AI agents that interact with smart contracts", "Generate transaction parameters from user descriptions" ], "ideal_buyer": "Developers building AI agents that need to understand and interact with blockchain state and execute transactions.", "example_prompt": "Send 0.01 ETH to vitalik.eth and confirm the transaction details before executing.", "example_request_body": { "stream": false, "context": { "from": "0x1234567890123456789012345678901234567890", "chain_ids": [ 8453 ], "auto_execute_transactions": false }, "messages": [ { "role": "user", "content": "Send 0.01 ETH to vitalik.eth" } ] }, "risk_notes": [], "pricing_sanity": { "flag": "cheap", "ratio": 0.3, "median_category_atomic": 10000 }, "pricing_review_required": false, "pricing_decimal_suspect": false, "trust_tier": "indexed_external", "accepts": [ { "scheme": "exact", "network": "base", "pay_to": "0x1c0cc9813b7c136c8f124cbc3c7acd217e141230", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "max_amount_required_atomic": "3000", "max_timeout_seconds": 300, "mime_type": "application/json", "description": "thirdweb API https://api.thirdweb.com - POST OpenAI compatible chat completion endpoint to interact with t0, thirdweb's blockchain LLM specialized in blockchain interactions.", "verified": false, "hints": { "responses": { "200": { "content": { "application/json": { "schema": { "type": "object", "title": "Chat Response", "examples": [ { "actions": [ { "data": { "to": "0x1234567890123456789012345678901234567890", "data": "0x", "value": "10000000000000000", "chain_id": 8453 }, "type": "sign_transaction", "source": "model", "request_id": "456", "session_id": "123" } ], "message": "I've prepared a native ETH transfer as requested. Would you like to proceed with executing this transfer?", "request_id": "456", "session_id": "123" }, { "actions": [ { "data": { "transaction_id": "123" }, "type": "monitor_transaction", "source": "model", "request_id": "456", "session_id": "123" } ], "message": "I've executed the transaction. It will take a few seconds to confirm.", "request_id": "456", "session_id": "123" } ], "required": [ "message", "actions", "session_id", "request_id" ], "properties": { "actions": { "type": "array", "items": { "oneOf": [ { "type": "object", "title": "Sign Transaction", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "chain_id", "to", "value", "data" ], "properties": { "to": { "type": "string" }, "data": { "type": "string" }, "value": { "type": "string" }, "chain_id": { "type": "number" }, "function": { "type": "string", "nullable": true } } }, "type": { "enum": [ "sign_transaction" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Sign a transaction" }, { "type": "object", "title": "Sign Swap", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "transaction", "action", "intent", "from_token", "to_token" ], "properties": { "action": { "type": "string", "nullable": true }, "intent": { "type": "object", "required": [ "origin_chain_id", "origin_token_address", "destination_chain_id", "destination_token_address", "amount", "sender", "receiver", "maxSteps" ], "properties": { "amount": { "type": "string" }, "sender": { "type": "string" }, "maxSteps": { "type": "number" }, "receiver": { "type": "string" }, "origin_chain_id": { "type": "number" }, "destination_chain_id": { "type": "number" }, "origin_token_address": { "type": "string" }, "destination_token_address": { "type": "string" } } }, "to_token": { "type": "object", "required": [ "address", "chain_id", "amount", "symbol", "decimals", "price" ], "properties": { "price": { "type": "number", "nullable": true }, "amount": { "type": "string" }, "symbol": { "type": "string" }, "address": { "type": "string" }, "chain_id": { "type": "number" }, "decimals": { "type": "number" } } }, "from_token": { "type": "object", "required": [ "address", "chain_id", "amount", "symbol", "decimals", "price" ], "properties": { "price": { "type": "number", "nullable": true }, "amount": { "type": "string" }, "symbol": { "type": "string" }, "address": { "type": "string" }, "chain_id": { "type": "number" }, "decimals": { "type": "number" } } }, "transaction": { "type": "object", "required": [ "chain_id", "to", "value", "data" ], "properties": { "to": { "type": "string" }, "data": { "type": "string" }, "value": { "type": "string" }, "chain_id": { "type": "number" }, "function": { "type": "string", "nullable": true } } } } }, "type": { "enum": [ "sign_swap" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Sign a swap" }, { "type": "object", "title": "Monitor Transaction", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "transaction_id" ], "properties": { "transaction_id": { "type": "string" } } }, "type": { "enum": [ "monitor_transaction" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Monitor a transaction" } ] } }, "message": { "type": "string", "description": "The AI assistant's response" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Chat response" } }, "text/event-stream": { "schema": { "oneOf": [ { "type": "object", "title": "Message", "required": [ "event", "v" ], "properties": { "v": { "type": "string" }, "event": { "enum": [ "delta" ], "type": "string" } }, "description": "Text delta chunk" }, { "type": "object", "title": "Action", "required": [ "event", "data" ], "properties": { "data": { "oneOf": [ { "type": "object", "title": "Sign Transaction", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "chain_id", "to", "value", "data" ], "properties": { "to": { "type": "string" }, "data": { "type": "string" }, "value": { "type": "string" }, "chain_id": { "type": "number" }, "function": { "type": "string", "nullable": true } } }, "type": { "enum": [ "sign_transaction" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Sign a transaction" }, { "type": "object", "title": "Sign Swap", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "transaction", "action", "intent", "from_token", "to_token" ], "properties": { "action": { "type": "string", "nullable": true }, "intent": { "type": "object", "required": [ "origin_chain_id", "origin_token_address", "destination_chain_id", "destination_token_address", "amount", "sender", "receiver", "maxSteps" ], "properties": { "amount": { "type": "string" }, "sender": { "type": "string" }, "maxSteps": { "type": "number" }, "receiver": { "type": "string" }, "origin_chain_id": { "type": "number" }, "destination_chain_id": { "type": "number" }, "origin_token_address": { "type": "string" }, "destination_token_address": { "type": "string" } } }, "to_token": { "type": "object", "required": [ "address", "chain_id", "amount", "symbol", "decimals", "price" ], "properties": { "price": { "type": "number", "nullable": true }, "amount": { "type": "string" }, "symbol": { "type": "string" }, "address": { "type": "string" }, "chain_id": { "type": "number" }, "decimals": { "type": "number" } } }, "from_token": { "type": "object", "required": [ "address", "chain_id", "amount", "symbol", "decimals", "price" ], "properties": { "price": { "type": "number", "nullable": true }, "amount": { "type": "string" }, "symbol": { "type": "string" }, "address": { "type": "string" }, "chain_id": { "type": "number" }, "decimals": { "type": "number" } } }, "transaction": { "type": "object", "required": [ "chain_id", "to", "value", "data" ], "properties": { "to": { "type": "string" }, "data": { "type": "string" }, "value": { "type": "string" }, "chain_id": { "type": "number" }, "function": { "type": "string", "nullable": true } } } } }, "type": { "enum": [ "sign_swap" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Sign a swap" }, { "type": "object", "title": "Monitor Transaction", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "object", "required": [ "transaction_id" ], "properties": { "transaction_id": { "type": "string" } } }, "type": { "enum": [ "monitor_transaction" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } }, "description": "Monitor a transaction" } ] }, "event": { "enum": [ "action" ], "type": "string" } }, "description": "Action to be executed by the user" }, { "type": "object", "title": "Presence", "required": [ "event", "data" ], "properties": { "data": { "type": "object", "required": [ "session_id", "request_id", "type", "data" ], "properties": { "data": { "type": "string" }, "type": { "enum": [ "presence" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } } }, "event": { "enum": [ "presence" ], "type": "string" } }, "description": "Check the agent's chain of thought" }, { "type": "object", "title": "Session ID", "required": [ "event", "data" ], "properties": { "data": { "type": "object", "required": [ "session_id", "request_id", "type" ], "properties": { "type": { "enum": [ "init" ], "type": "string" }, "source": { "type": "string", "default": "model" }, "request_id": { "type": "string" }, "session_id": { "type": "string" } } }, "event": { "enum": [ "init" ], "type": "string" } }, "description": "Session ID" }, { "type": "object", "title": "Context", "required": [ "event", "data" ], "properties": { "data": { "type": "object", "properties": { "networks": { "enum": [ "all", "mainnet", "testnet" ], "type": "string", "nullable": true }, "chain_ids": { "type": "array", "items": { "type": "number" }, "nullable": true }, "session_id": { "type": "string", "nullable": true }, "wallet_address": { "type": "string", "nullable": true } } }, "event": { "enum": [ "context" ], "type": "string" } }, "description": "Context" }, { "type": "object", "title": "Image", "required": [ "event", "data" ], "properties": { "data": { "type": "object", "required": [ "url", "width", "height" ], "properties": { "url": { "type": "string" }, "width": { "type": "number" }, "height": { "type": "number" } } }, "event": { "enum": [ "image" ], "type": "string" } }, "description": "Render an image" }, { "type": "object", "title": "Done", "required": [ "event", "data" ], "properties": { "data": { "type": "boolean" }, "event": { "enum": [ "done" ], "type": "string" } }, "description": "Done" }, { "type": "object", "title": "Error", "required": [ "event", "data" ], "properties": { "data": { "type": "string" }, "event": { "enum": [ "error" ], "type": "string" } }, "description": "Error" } ] } } }, "description": "AI assistant response or SSE stream when stream=true" } }, "requestBody": { "content": { "application/json": { "schema": { "type": "object", "title": "Chat Request", "example": { "stream": false, "context": { "from": "0x1234567890123456789012345678901234567890", "chain_ids": [ 8453 ] }, "messages": [ { "role": "user", "content": "Send 0.01 ETH to vitalik.eth" } ] }, "required": [ "messages" ], "properties": { "stream": { "type": "boolean", "description": "Enable server streaming of the AI response" }, "context": { "type": "object", "properties": { "from": { "type": "string", "description": "Optional wallet address that will execute transactions" }, "chain_ids": { "type": "array", "items": { "type": "number" }, "description": "Optional chain IDs for context" }, "session_id": { "type": "string", "nullable": true, "description": "Optional session ID for conversation continuity. If not provided, a new session will be created" }, "auto_execute_transactions": { "type": "boolean", "default": false, "description": "Whether to automatically execute transactions. If not provided, the default is false" } }, "description": "Context for the AI assistant" }, "messages": { "type": "array", "items": { "type": "object", "required": [ "role", "content" ], "properties": { "role": { "enum": [ "user", "assistant", "system", "tool" ], "type": "string" }, "content": { "anyOf": [ { "type": "string" }, { "type": "array", "items": { "oneOf": [ { "type": "object", "title": "Image", "required": [ "type" ], "properties": { "b64": { "type": "string", "nullable": true }, "type": { "enum": [ "image" ], "type": "string" }, "image_url": { "type": "string", "nullable": true } }, "description": "Image content" }, { "type": "object", "title": "Text", "required": [ "type", "text" ], "properties": { "text": { "type": "string" }, "type": { "enum": [ "text" ], "type": "string" } }, "description": "Text content" }, { "type": "object", "title": "Transaction", "required": [ "type", "chain_id", "transaction_hash" ], "properties": { "type": { "enum": [ "transaction" ], "type": "string" }, "chain_id": { "type": "number" }, "transaction_hash": { "type": "string", "pattern": "^0x[a-fA-F0-9]{64}$" } }, "description": "Transaction content" } ] } } ] } } }, "minItems": 1, "description": "Natural language query for the AI assistant" } }, "description": "Chat request" } } } } } } ], "origin": { "slug": "yddkctoq-nx-link", "host": "yddkctoq.nx.link", "url": "https://yddkctoq.nx.link" }, "json_ld": { "@id": "https://x402all.com/resource/yddkctoq-nx-link-ai-chat", "url": "https://x402all.com/resource/yddkctoq-nx-link-ai-chat", "name": "thirdweb \u00b7 Blockchain LLM Chat", "@type": "WebAPI", "offers": { "url": "https://x402all.com/resource/yddkctoq-nx-link-ai-chat", "@type": "Offer", "price": "0.003", "availability": "https://schema.org/InStock", "priceCurrency": "USDC", "priceSpecification": { "@type": "UnitPriceSpecification", "price": "0.003000", "unitText": "call", "priceCurrency": "USDC" }, "eligibleCustomerType": "Agent", "additionalProperty": [ { "@type": "PropertyValue", "name": "paymentNetwork", "value": "base" }, { "@type": "PropertyValue", "name": "paymentAsset", "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" } ] }, "sameAs": "https://yddkctoq.nx.link/ai/chat", "@context": "https://schema.org", "provider": { "@id": "https://x402all.com/server/yddkctoq-nx-link", "url": "https://yddkctoq.nx.link", "name": "yddkctoq.nx.link", "@type": "Organization" }, "identifier": "yddkctoq-nx-link-ai-chat", "description": "Chat with t0, thirdweb's blockchain-specialized LLM via x402. Pay 0.003 USDC per call. OpenAI-compatible endpoint with on-chain transaction context on Base.", "potentialAction": { "@type": "BuyAction", "target": "https://axon402.com/test-buy?resource=yddkctoq-nx-link-ai-chat", "description": "Test-buy this endpoint on AXON" }, "applicationCategory": "ai" }, "axon_deep_link": "https://axon402.com/test-buy?resource=yddkctoq-nx-link-ai-chat" }