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💰 Paid API

denk.halowerk.com

denk.halowerk.com · denk.halowerk.com
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Conformance
22/100
grade F · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
$6.72
1,440 tx · on-chain
Invocations · 7d
0
no calls observed
Listing drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

F
Conformance score: 22/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.
Show breakdown Hide breakdown
fail Live endpoint 0/25
No response from the host observed: listed by agentic.market only, not confirmed by our own probe.
partial Verified Identity 5/10
Provider declared: denk.halowerk.com (https://denk.halowerk.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs
pass Freshness + modern flags 4/5
seen in upstream source within 0d
n/a Agent card · Protocol version · JWS signature · Uptime track record · Skill declaration · Security declaration

Activity

last 24h · 0 invocations No personal data recorded

No activity in the last 7 days.

Listing history

1 snapshot
Snapshots
Agent card snapshots
Captured Hash Snapshot
2026-11-13 16:49:07 current 282d5ba66f9e… view →

Endpoints

Browse x402 resources on this host

Pricing x402 on Base USDC Facilitator feed
From $0.0030 per call
Endpoint Price Currency
https://denk.halowerk.com/v1/bazaar-listing-check
Base
0.003 USDC
https://denk.halowerk.com/v1/hybrid-search
Base
0.005 USDC
https://denk.halowerk.com/v1/rag-metrics
Base
0.004 USDC
https://denk.halowerk.com/v1/rerank
Base
0.005 USDC
https://denk.halowerk.com/v1/x402-spend-report
Base
0.003 USDC
Settlement wallet: 0x2880edfff13100677bf97a3cbdf3bc34771c4e5e on Base · basescan ↗
Listed by facilitators Coinbase CDP · 5
Observed on-chain inflow verified on-chain
Last 7d
$0.50
44 transfers · synced 2026-11-15
Last 30d
$6.72
1,440 transfers · synced 2026-11-15
Last 90d PRO
Unlock with Pro
90-day total + 90 days of daily history
USDC on Base. Inflow to a wallet, not proof that every transfer was a paid call.
How it was settled and checked
x402-settled: $0.06 (83%) · 16 transfers sent by a known x402 facilitator (Coinbase)
Other: $0.00 plain transfers sent by the payer · $0.01 x402-style authorizations submitted by an unlisted relayer or the seller · $0.00 other contract calls · 1% of $6.82 classified so far.
Cross-check: Coinbase's Bazaar reports 8,375 calls in 30 days across 6371 resources; we observed 1,691 transfers (16 facilitator-settled). Neither counter is assumed correct.
Reproducible via eth_getLogs on USDC Transfer events to the wallet. How we classify
Building inflow history: 1 daily snapshot so far.
Agent cardhttps://denk.halowerk.com
Providerhttps://denk.halowerk.com
Docshttps://denk.halowerk.com
Discovered via
agentic market

Health · last 0 probes

Probe log
When HTTP Live JSON-RPC Latency
No direct probes in the last 30 days.

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Embed a badge

Updates itself and links back here.

Agenstry grade Uptime
[![Agenstry grade](https://agenstry.com/badge/denk.halowerk.com.svg)](https://agenstry.com/agents/denk.halowerk.com)
[![Verified Business](https://agenstry.com/badge/denk.halowerk.com/identity.svg)](https://agenstry.com/agents/denk.halowerk.com)
[![Uptime](https://agenstry.com/badge/denk.halowerk.com/uptime.svg)](https://agenstry.com/agents/denk.halowerk.com)
[![A2A version](https://agenstry.com/badge/denk.halowerk.com/protocol.svg)](https://agenstry.com/agents/denk.halowerk.com)

Audit evidence

JSON for vendor reviews. Signed copy verifies against our JWKS.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "_source": "agentic.market",
  "service": {
    "id": "denk-halowerk-com",
    "name": "denk.halowerk.com",
    "description": "",
    "domain": "denk.halowerk.com",
    "provider": "denk.halowerk.com",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://denk.halowerk.com/v1/bazaar-listing-check",
        "description": "Derives payTo from the live 402 challenge if not supplied, first tries the CDP natural-language search filtered by payTo, then paginates the CDP merchant discovery list for that payTo (100 entries per page, the CDP maximum; parallel, up to 400 pages, failed pages are retried within the time budget) and looks for the exact resource URL. \"not_listed\" is only returned after a complete scan with a stable total; otherwise the verdict is \"unknown\".",
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "resource_url",
            "type": "string",
            "description": "",
            "example": "https://stack.halowerk.com/stack/lead-profile",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://denk.halowerk.com/v1/hybrid-search",
        "description": "Ranks up to 100 supplied documents twice: lexically with BM25 (same implementation and defaults as bm25-search) and semantically by cosine similarity of embeddings computed locally (multilingual: intfloat/multilingual-e5-small, MIT, with the required \"query: \"/\"passage: \" prefixes, truncation at 512 tokens; english: sentence-transformers/all-MiniLM-L6-v2, Apache-2.0, truncation at 256 word pieces; mean pooling and L2 normalization, int8 ONNX exports from the model repositories, pinned and\u2026",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "documents",
            "type": "array",
            "description": "",
            "example": [],
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "query",
            "type": "string",
            "description": "",
            "example": "Wie hoch ist die Mehrwertsteuer?",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://denk.halowerk.com/v1/rag-metrics",
        "description": "All metrics are defined in the response. With relevant_ids: precision@k and recall@k over the first k contexts, MRR, average precision and nDCG@k with binary relevance and log2 discount. Without relevant_ids, a context counts as relevant when it supports the reference (or the question if no reference) at or above the threshold; context precision = mean of precision@i over relevant positions (rank-weighted, as in RAGAS but without an LLM judge).",
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "answer",
            "type": "string",
            "description": "",
            "example": "The Eiffel Tower is in Paris.",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "contexts",
            "type": "array",
            "description": "",
            "example": [],
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "question",
            "type": "string",
            "description": "",
            "example": "Where is the Eiffel Tower?",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://denk.halowerk.com/v1/rerank",
        "description": "Scores every (query, passage) pair with a cross-encoder run locally through transformers.js/ONNX Runtime and sorts by the model logit; relevance is the logistic sigmoid of the logit. multilingual: cross-encoder/mmarco-mMiniLMv2-L12-H384-v1 (Apache-2.0, trained on mMARCO: en, ar, zh, nl, fr, de, hi, id, it, ja, pt, ru, es, vi). english: cross-encoder/ms-marco-MiniLM-L6-v2 (Apache-2.0, MS MARCO, English only).",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "passages",
            "type": "array",
            "description": "",
            "example": [],
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "query",
            "type": "string",
            "description": "",
            "example": "Wie hoch ist die Mehrwertsteuer in Deutschland?",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://denk.halowerk.com/v1/x402-spend-report",
        "description": "Queries Transfer events from the wallet on Base mainnet via public RPC in 10,000-block windows and sums them by recipient and by UTC day. Timestamps are derived from block numbers using the fixed 2-second Base block time, anchored at the latest block (or at to_block for a fixed historical window). Covers token transfers only (no ETH gas). Useful for checking what an autonomous agent actually paid for x402 calls.",
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "hours",
            "type": "number",
            "description": "",
            "example": 24,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "wallet",
            "type": "string",
            "description": "",
            "example": "0x7406ca907cf8fd39a6ecfffa8e1be71c103fdb83",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "5"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.003",
      "maxAmount": "0.005",
      "avgCostPerTransaction": "0.004",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}