← The evidence ledger
Evidence row 61584
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402-arb.rosariovitale0096.workers.dev/llm/deepseek-chat
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fe88bab5cf075d2969709b3868e831499847edd39032d9a76d708311f0229633
- Leaf
- 0x7a2ecc85d40c37265607ff144d1639fa6c7e0db002c0f75588ea1d8fc5fd40ab
What was observed
{
"endpoints": [
[
"x402",
"https://agent402-arb.rosariovitale0096.workers.dev/llm/deepseek-chat"
]
],
"name": "DeepSeek V4 Flash Chat API",
"owner_address": "0xf7eaf699c6e55887184809c57d597a64ab86d493",
"raw": {
"accepts": [
{
"amount": "1400",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"paymentFlow": "upfront",
"version": "2"
},
"maxTimeoutSeconds": 180,
"network": "eip155:8453",
"payTo": "0xf7eaf699C6E55887184809c57d597a64aB86d493",
"scheme": "exact"
}
],
"description": "DeepSeek V4 Flash Chat API (deepseek/deepseek-chat): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Flash Chat on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_tokens": 12,
"messages": [
{
"content": "Reply with OK",
"role": "user"
}
],
"model": "deepseek/deepseek-chat",
"stream": false
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"choices": [
{
"finish_reason": "stop",
"index": 0,
"message": {
"content": "OK",
"role": "assistant"
}
}
],
"created": 1791979200,
"id": "chatcmpl-7f3c2a91",
"model": "deepseek/deepseek-chat",
"object": "chat.completion",
"usage": {
"completion_tokens": 1,
"prompt_tokens": 9,
"total_tokens": 10
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"max_tokens": {
"description": "Optional, default 4096",
"maximum": 16384,
"minimum": 1,
"type": "integer"
},
"messages": {
"items": {
"properties": {
"content": {
"type": [
"string",
"array",
"null"
]
},
"role": {
"enum": [
"system",
"user",
"assistant",
"tool",
"developer"
],
"type": "string"
}
},
"required": [
"role"
],
"type": "object"
},
"minItems": 1,
"type": "array"
},
"model": {
"description": "Optional: fixed by the route (deepseek/deepseek-chat)",
"type": "string"
},
"response_format": {
"type": "object"
},
"stream": {
"description": "true: server-sent events after payment",
"type": "boolean"
},
"temperature": {
"maximum": 2,
"minimum": 0,
"type": "number"
},
"tools": {
"type": "array"
}
},
"required": [
"messages"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"choices": {
"items": {
"required": [
"index",
"message",
"finish_reason"
],
"type": "object"
},
"type": "array"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"const": "chat.completion"
},
"usage": {
"type": "object"
}
},
"required": [
"id",
"object",
"model",
"choices"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792034933/bazaar-icons/c63879d0dabbf36c.png",
"lastUpdated": "2026-10-15T15:13:52.743Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-15T15:13:51.37Z"
},
"resource": "https://agent402-arb.rosariovitale0096.workers.dev/llm/deepseek-chat",
"serviceName": "DeepSeek V4 Flash Chat API",
"tags": [
"deepseek-chat",
"deepseek",
"llm",
"chat-completions",
"openai-compatible"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "DeepSeek V4 Flash Chat API (deepseek/deepseek-chat): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Flash Chat on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer."
}What the leaf hashes
{"body":"fe88bab5cf075d2969709b3868e831499847edd39032d9a76d708311f0229633","id":61584,"kind":"listing","method":"baseline/1","observed_us":1793025451157317,"prev":null,"subject":"x402_bazaar:https://agent402-arb.rosariovitale0096.workers.dev/llm/deepseek-chat","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae