← The evidence ledger
Evidence row 297323
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions
- Recorded
- Previous row
- #118593
- Body SHA-256
- 2cdd51128376a848cd9f25651ce27f3233ca2c1cf8f04ecc5e891f82be8b7151
- Leaf
- 0xdfb20ef312ded1a1d0f31e3ed8e9adba5c70f0ae0691197ce653946267bcf5b9
What was observed
{
"endpoints": [
[
"x402",
"https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions"
]
],
"name": "Linkrra Synap: Open-Model LLMs",
"owner_address": "0xaa0a350f6080940c138a8a50c0fa8c8387782eb4",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4",
"scheme": "exact"
}
],
"description": "Linkrra Synap: Qwen3 Coder 30B A3B Instruct (model \"qwen3-coder-30b\") - coding, everyday. OpenAI-compatible chat completions for this one model, 32K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_tokens": 256,
"messages": [
{
"content": "Write a Python function that reverses a string",
"role": "user"
}
],
"model": "qwen3-coder-30b",
"stream": false
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"choices": [
{
"message": {
"content": "def reverse(s):\n return s[::-1]",
"role": "assistant"
}
}
],
"id": "chatcmpl-...",
"model": "qwen3-coder-30b",
"object": "chat.completion",
"payment": {
"network": "eip155:8453",
"paidUsd": 0.001,
"transaction": "0x..."
},
"usage": {
"completion_tokens": 12,
"prompt_tokens": 16,
"total_tokens": 28
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"max_tokens": {
"default": 4096,
"description": "Completion token cap. The price is quoted for the prompt plus this cap.",
"maximum": 4096,
"minimum": 1,
"type": "integer"
},
"messages": {
"description": "OpenAI-format chat history, oldest first: [{role, content}].",
"examples": [
[
{
"content": "Write a Python function that reverses a string",
"role": "user"
}
]
],
"items": {
"properties": {
"content": {
"description": "Text, or an array of OpenAI content parts."
},
"role": {
"enum": [
"system",
"user",
"assistant",
"tool"
],
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"minItems": 1,
"type": "array"
},
"model": {
"description": "Optional: this endpoint always runs qwen3-coder-30b.",
"enum": [
"qwen3-coder-30b"
],
"type": "string"
},
"stream": {
"default": false,
"description": "true = stream OpenAI-format Server-Sent Events.",
"type": "boolean"
}
},
"required": [
"messages"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"description": "200 chat.completion (SSE if stream=true). 402 payment required or insufficient (challenge in PAYMENT-REQUIRED). 202 settlement pending. 400 invalid body or payment header. 404 model not offered. 409 payment already used. 503 no node serving the model, nothing charged. 500/502 facilitator, chain or model-server error; if inference fails after settlement the amount stays credited to the paying wallet.",
"properties": {
"example": {
"properties": {
"choices": {
"description": "choices[0].message.content is the reply.",
"type": "array"
},
"model": {
"description": "The model that answered.",
"type": "string"
},
"payment": {
"description": "USDC paid + Base tx hash; any unused amount stays credited to the payer.",
"type": "object"
},
"usage": {
"description": "Tokens billed: prompt, completion, total.",
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input",
"output"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_66yn2s8l"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792411337/bazaar-icons/b78bd1ea567f2008.png",
"lastUpdated": "2026-10-26T19:41:04.902Z",
"quality": {
"l30DaysTotalCalls": 9,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-24T19:39:29.979Z"
},
"resource": "https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions",
"serviceName": "Linkrra Synap: Open-Model LLMs",
"tags": [
"inference",
"llm",
"chat-completion",
"openai-compatible",
"ai-compute"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Linkrra Synap: Qwen3 Coder 30B A3B Instruct (model \"qwen3-coder-30b\") - coding, everyday. OpenAI-compatible chat completions for this one model, 32K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com"
}What the leaf hashes
{"body":"2cdd51128376a848cd9f25651ce27f3233ca2c1cf8f04ecc5e891f82be8b7151","id":297323,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052192681144,"prev":118593,"subject":"x402_bazaar:https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions","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).
- 0xdfb1a3628c4123c91a81daeb4b45e8d3d3260158f16480b3f4adf33cd4f5c011
- 0x51b8a3ba767c741fe060febbf602465e9538ec2d1783654cb489763ec14ebf9a
- 0x0f537f4930f32549b4f5e8f432cb464899e2c47079fc11fff45fdbdfa08a7487
- 0xc82c3cd899fcf61eac39813905c80c3ff2567e3a9d2f3975a7e0926ed2507a1f
- 0x3e730e01f91d014249717282cb0c7b1b2b6c99659170e4d584923ee444688b31
- 0xfc03b7846085bb9b9546e0170019f13fc8630642946b311a9b36971c80d91d38
- 0xd269f19f31e2efa6b6a771732540244018396d0ebdf1f39fea4b4e3a365da799
- 0xe1fe86ae0e25efefa9b150eb9f43e973a1cf67716d1735c8e13db75ec2af0a15
- 0xf7e52d0041e39015858cbea236035bd92d105a3ad5137de0ecb2ebbc6824e3b9
- 0x5fcf567390d60c3be94cd0675a7a9d8d57ca82ceeb7b8db2c45bb7a13bb42b90
- 0x07a6fcdebada154e3a5a086ae2c78ad003011940759e5f38c005cc9b2ec3ef9d
- 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae