← The evidence ledger
Evidence row 17792
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/chat/completions
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 64b0573b06d763a61b00f155aa26b145f3527ca50cff4be134b92bdced024c67
- Leaf
- 0x5bd8a65afa6eca88cfeb342eaf39303d92d550f94084d5f07ff802c5f7ff743c
What was observed
{
"endpoints": [
[
"x402",
"https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/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 30B A3B Instruct 2507 (model \"qwen/qwen3-30b-a3b\") - general, high-throughput. OpenAI-compatible chat completions for this one model, 64K 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 $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"max_tokens": 256,
"messages": [
{
"content": "Write a Python function that reverses a string",
"role": "user"
}
],
"model": "qwen/qwen3-30b-a3b",
"stream": false
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"choices": [
{
"message": {
"content": "def reverse(s):\n return s[::-1]",
"role": "assistant"
}
}
],
"id": "chatcmpl-...",
"model": "qwen/qwen3-30b-a3b",
"object": "chat.completion",
"payment": {
"network": "eip155:8453",
"paidUsd": 0.001,
"transaction": "0x..."
},
"usage": {
"completion_tokens": 12,
"prompt_tokens": 16,
"total_tokens": 28
}
},
"type": "json"
}
},
"schema": {
"$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 qwen/qwen3-30b-a3b.",
"enum": [
"qwen/qwen3-30b-a3b"
],
"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": "2026-10-26T07:40:39.495Z",
"quality": {
"l30DaysTotalCalls": 12,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-26T07:40:39.107Z"
},
"resource": "https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/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 30B A3B Instruct 2507 (model \"qwen/qwen3-30b-a3b\") - general, high-throughput. OpenAI-compatible chat completions for this one model, 64K 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":"64b0573b06d763a61b00f155aa26b145f3527ca50cff4be134b92bdced024c67","id":17792,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025327327193,"prev":null,"subject":"x402_bazaar:https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/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).
- 0x5bd96bdbdc7d80c627dd83d74b5245ecfc118bd386de6c9bf9fbd3336a336e76
- 0x499d60b6efc41c51043285d5c354c8e99418aa3e5486fa5997c5171b1b216ccf
- 0x74bea66f2ff406ba12aa9cd55226178228e522cb16e6f1184baa898ac0a4a2c1
- 0xfdc477eac7888c0d599150579b95d05aef8d54e57aeb1076803644301580d6cf
- 0xe3dbf758173978abd0ffae5f4769a1dc0153cf77c86669adb724b3c7daf92868
- 0x2cd8574b1615fa401712b2e96e96fdec53bbbd2226d4335430da3faee023f818
- 0xb03bbc2fee8eee8db6a0e31bc447d3eefa4a64841cef7aa6b9c8825d02e6ab27
- 0xb84e37768c9c48ff21254f59a45953dc2b88909713309dd1b8d40e844c8556c9
- 0x33a9870f44f085e8260bfcaca431d25bcbd855892d925ef4c7c2916b592d8deb
- 0x40244d998919fa159853bd32a8bd17a3271b1b32a2e2d09a3d03acd280652311
- 0x37fa4d73456b07df68aa870df84ffd5c60272595484ae0f1ec31434e6c19eb44
- 0xc4c7772b121e7eab8b40f10646f850453150d76d672e4926bf2534db20273157
- 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae