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📊 Intel view 📋 Audit JSON 🔄 Changelog
22
💰 Paid API data

concordancehq.duckdns.org

concordancehq.duckdns.org · concordancehq.duckdns.org

Aggregates 18 free and keyed data sources (SEC EDGAR, FRED, GDELT, arXiv, court opinions, market data, Wikipedia, and more) into 6 x402-priced tools: full-text search, economic/financial time series, cross-category digest, cross-source company briefs, source corroboration scoring, and chronological timelines.

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Verify the domain concordancehq.duckdns.org via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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Compare public evidence

🔔 Watch this agent. Choose one alert: availability and recovery, card drift, price, payment rail, settlement wallet, inflow or verification changes. Add more alert types from your account. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch
Trust score
22/100
grade F · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
$0.83
57 tx · on-chain
Invocations · 7d
0
no calls observed
Listing drift · 7d
stable
0 snapshots 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.
click to expand breakdown click to collapse breakdown
n/a Agent card n/a
Not applicable: a paid API listed by agentic.market. The host serves no A2A agent card at /.well-known/agent-card.json, so the card criteria are not scored.
fail Live endpoint 0/25
No response from the host observed: listed by agentic.market only, not confirmed by our own probe.
n/a Protocol version n/a
Not applicable: no A2A agent card served.
n/a JWS signature n/a
Not applicable: no A2A agent card served.
n/a Uptime track record n/a
Not applicable: our probes looked for an A2A agent card, which this host does not serve. That says nothing about the API's availability, so it is not graded.
n/a Skill declaration n/a
Not applicable: no A2A agent card served.
partial Verified Identity 5/10
Provider declared: concordancehq.duckdns.org (https://concordancehq.duckdns.org). 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 Security declaration n/a
Not applicable: no A2A agent card served.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime
not graded
catalogue listing · no agent card to probe
Response
—
last direct probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Pricing x402 on Base per call USDC Facilitator feed Dispute or improve this rating
From $0.0100 per call
Endpoint Price Currency
https://concordancehq.duckdns.org/tools/company-brief 0.05 USDC
https://concordancehq.duckdns.org/tools/corroboration 0.04 USDC
https://concordancehq.duckdns.org/tools/digest 0.03 USDC
https://concordancehq.duckdns.org/tools/search 0.01 USDC
https://concordancehq.duckdns.org/tools/series 0.01 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x1f5f8474fa0dc1fde79187abd68ef8ea15adae34 on Base · basescan ↗
Listed by facilitators Coinbase CDP · 4
Observed on-chain inflow verified on-chain
Last 7d
$0.29
25 transfers · synced 2026-10-25
Last 30d
$0.83
57 transfers · synced 2026-10-25
Last 90d PRO
Unlock with Pro
90-day total + 90 days of daily history
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the wallet. Inflow to a wallet, not proof that every transfer was a paid call.
How the last 30 days were settled
x402-settled: $0.04 (100%) · 2 transfers sent by a known x402 facilitator (Coinbase)
Other: $0.00 plain transfers sent by the payer · $0.00 other contract calls · 7% of $0.62 classified so far. How we classify
Cross-check: Coinbase's Bazaar reports 34 calls in 30 days to this wallet across 6 listed resources; our ledger observed 43 transfers (2 facilitator-settled). Different counters; neither is assumed correct.
Daily 30-day observed-inflow history ↑ +$0.45 since 2026-09-25
2026-09-25 2026-10-25
Last 30 days · 90 days with Pro Peak 30-day total: $0.84 Data points: 31 Total tx (30d window): 57
Payment authenticity evidence confidence How we measure this →
independently_paid 5/5

Many distinct payers observed, low concentration, repeat demand, and no self-referential payment signal.

Assessed window
30d
13 active of 29 observed
Inflow assessed
$0.83
57 transactions
Payer identities
available
1 evidence caveat
shared_settlement_wallet — The settlement wallet is shared with other indexed agents, so inflow cannot be attributed to this agent alone.
Checks run: daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap, payer_uniqueness, payer_concentration, payer_recurrence, payer_payee_overlap. Derived from agent_revenue_daily, agents.payment_wallet, agent_payment_transactions. Measured 2026-10-25.
This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.
Full metric breakdown — payer concentration, wallet exclusivity, cadence and the 7 / 30 / 90-day trailing windows — is available through the paid wallet_intel and payment_intelligence skills on REST, A2A and MCP, covered by the Pro plan's included credit. API docs →
Agent cardhttps://concordancehq.duckdns.org/.well-known/agent-card.json
Providerhttps://concordancehq.duckdns.org
Docshttps://concordancehq.duckdns.org
Discovered via
agentic_market recrawl_hot mcp_registry cdp_discovery x402_list recrawl_paid

Health · last 21 probes

When HTTP Live JSON-RPC Latency
2026-10-23 22:41:48 404 — —
2026-10-16 22:41:12 404 — —
2026-10-09 21:07:17 404 — —
2026-10-09 10:25:46 404 — —
2026-10-08 22:22:55 404 — —
2026-10-08 13:00:37 404 — —
2026-10-08 01:44:16 404 — —
2026-10-07 06:17:24 404 — —
2026-10-06 17:58:38 404 — —
2026-10-05 12:47:17 404 — —

Who's calling this agent 30d

2 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
curl 1 (50%)
Web browser 1 (50%)
Caller geography · top 3
VN 1
US 1
Via which API surface · top 3
web 1
rest 1

Public view: top 3 per dimension. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

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Normalized SEC financial data, priced per call, built for agents. Company financials, XBRL facts, filings, industry benchmarks, peer compa
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x402stock.vercel.app · q 65%
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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/concordancehq.duckdns.org.svg)](https://agenstry.com/agents/concordancehq.duckdns.org)
[![Verified Business](https://agenstry.com/badge/concordancehq.duckdns.org/identity.svg)](https://agenstry.com/agents/concordancehq.duckdns.org)
[![Uptime](https://agenstry.com/badge/concordancehq.duckdns.org/uptime.svg)](https://agenstry.com/agents/concordancehq.duckdns.org)
[![A2A version](https://agenstry.com/badge/concordancehq.duckdns.org/protocol.svg)](https://agenstry.com/agents/concordancehq.duckdns.org)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON 
{
  "_source": "agentic.market",
  "service": {
    "id": "concordancehq-duckdns-org",
    "name": "concordancehq.duckdns.org",
    "description": "",
    "domain": "concordancehq.duckdns.org",
    "provider": "concordancehq.duckdns.org",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://concordancehq.duckdns.org/tools/company-brief",
        "description": "Cross-source correlation for one company in a single call: latest quotes from 3 independent market-data providers, recent SEC filings, and general mentions across news/academic/legal/dev-community sources -- joins data no single-source provider offers together. Accepts a ticker (AAPL) or company name (Apple).",
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "company",
            "type": "string",
            "description": "",
            "example": "AAPL",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "per_section_limit",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "company_brief",
        "tags": [
          "company-data",
          "stock-quotes",
          "sec-filings",
          "financial-data",
          "correlation"
        ],
        "quality": null
      },
      {
        "url": "https://concordancehq.duckdns.org/tools/corroboration",
        "description": "Is a claim independently corroborated across multiple unrelated sources, or does it trace back to a single origin? Groups matches by SOURCE (not category) so a caller sees exactly how many independent outlets/agencies back a claim -- a trust signal no single-source competitor can offer, since it requires already owning many independent sources.",
        "pricing": {
          "amount": "0.04",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "claim",
            "type": "string",
            "description": "",
            "example": "the Federal Reserve raised interest rates",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "corroboration",
        "tags": [
          "fact-checking",
          "trust-signal",
          "source-verification",
          "claim-checking",
          "multi-source"
        ],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        }
      },
      {
        "url": "https://concordancehq.duckdns.org/tools/digest",
        "description": "One call, every category: pulls everything matching a topic across all aggregated sources and groups it by category (news, legal, academic, dev community, ...) with counts -- replaces manually calling /tools/search once per category and merging results yourself. Structured aggregation, not an AI-generated summary.",
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "per_category_limit",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "topic",
            "type": "string",
            "description": "",
            "example": "cryptocurrency regulation",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "digest",
        "tags": [
          "digest",
          "topic-search",
          "briefing",
          "cross-category",
          "aggregator"
        ],
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        }
      },
      {
        "url": "https://concordancehq.duckdns.org/tools/search",
        "description": "Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything concordant across independently-sourced, citable results -- not a single-source wrapper. Optional source/category/since filters.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "limit",
            "type": "number",
            "description": "",
            "example": 10,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "query",
            "type": "string",
            "description": "",
            "example": "central bank interest rate",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "search",
        "tags": [
          "search",
          "aggregator",
          "full-text-search",
          "multi-source",
          "news"
        ],
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "9"
        }
      },
      {
        "url": "https://concordancehq.duckdns.org/tools/series",
        "description": "Tabular time-series lookup across economic indicators (FRED, World Bank, UN Comtrade), crypto TVL, weather, and stock quotes -- by source + series_id, with an optional date range.",
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "series_id",
            "type": "string",
            "description": "",
            "example": "GDP",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "source",
            "type": "string",
            "description": "",
            "example": "fred",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "series",
        "tags": [
          "economic-data",
          "time-series",
          "market-data",
          "stock-quotes",
          "trade-data"
        ],
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.01",
      "maxAmount": "0.05",
      "avgCostPerTransaction": "0.028",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [
      "aggregator",
      "briefing",
      "claim-checking",
      "company-data",
      "correlation",
      "cross-category",
      "digest",
      "economic-data",
      "fact-checking",
      "financial-data",
      "full-text-search",
      "market-data",
      "multi-source",
      "news",
      "search",
      "sec-filings",
      "source-verification",
      "stock-quotes",
      "time-series",
      "topic-search"
    ],
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786579391/bazaar-icons/8d838c55be0bf55d.jpg",
    "_truncated": {
      "tags": 22
    },
    "_digest": {
      "tags": "6137240d3be70cae394e0d87dcdd41001b436eba4db5084315ee6f96756af342"
    }
  }
}