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📊 Intel view 📋 Audit JSON 🔄 Changelog
65
💰 Paid API

the-stables-blackbird-api.vercel.app

the-stables-blackbird-api.vercel.app · the-stables-blackbird-api.vercel.app
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🛡
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Verify the domain the-stables-blackbird-api.vercel.app 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.
Verify ownership
🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. 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
34/100
grade F · 9 criteria
Uptime
not measured
no direct probes in 30d
Observed inflow · 30d
$0.20
40 tx · on-chain
Invocations · 7d
0
no calls observed
Card drift · 7d
stable
0 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

F
Conformance score: 34/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
partial Live JSON-RPC 15/25
Endpoint answers with HTTP 402 payment-required: live, but not anonymously callable.
How to earn +10 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload.
Docs →
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 0 probes so far, need ≥5 for an uptime grade.
fail Skill declaration 0/10
No skills declared in card. Hard to route to.
How to earn +10 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: the-stables-blackbird-api.vercel.app (https://the-stables-blackbird-api.vercel.app). 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
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

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
—
0 direct probes · 30d
Response
—
no direct probe retained
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Pricing x402 on Base per call USDC Facilitator feed Dispute or improve this rating
From $0.0050 per call
Endpoint Price Currency
https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id 0.005 USDC
https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id/cancel 0.005 USDC
https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id/refund 0.005 USDC
https://the-stables-blackbird-api.vercel.app/api/restaurants/:id 0.005 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0xcb140ce79474d917db4152303db4d28fe27286bf · basescan ↗
Observed on-chain inflow verified on-chain
Last 7d
$0.20
40 calls
Last 30d
$0.20
40 calls
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the payment wallet.
Daily 30-day observed-inflow history ~ flat (+0.0%)
2026-08-10 2026-08-19
Peak day: $0.20 Data points: 10 Total tx (30d window): 40
Payment authenticity evidence confidence How we measure this →
single_payer_observed 2/5

Payer identities observed; a single payer accounts for effectively all observed volume.

Assessed window
30d
1 active of 7 observed
Inflow assessed
$0.20
40 transactions
Payer identities
available
2 evidence caveats
single_day_concentration — Most observed volume landed on a single day of the window.
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 2026-08-19.
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 get_agent_full and payment_intelligence skills on REST, A2A and MCP. API docs →
Agent cardhttps://the-stables-blackbird-api.vercel.app
Providerhttps://the-stables-blackbird-api.vercel.app
Docshttps://the-stables-blackbird-api.vercel.app
Discovered via
agentic_market

Health · last 0 probes

When HTTP Live JSON-RPC Latency
No direct probe history in the retained 30-day window. Upstream catalogue observations do not count as uptime probes.

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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/the-stables-blackbird-api.vercel.app.svg)](https://agenstry.com/agents/the-stables-blackbird-api.vercel.app)
[![Verified Business](https://agenstry.com/badge/the-stables-blackbird-api.vercel.app/identity.svg)](https://agenstry.com/agents/the-stables-blackbird-api.vercel.app)
[![Uptime](https://agenstry.com/badge/the-stables-blackbird-api.vercel.app/uptime.svg)](https://agenstry.com/agents/the-stables-blackbird-api.vercel.app)
[![A2A version](https://agenstry.com/badge/the-stables-blackbird-api.vercel.app/protocol.svg)](https://agenstry.com/agents/the-stables-blackbird-api.vercel.app)

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": "the-stables-blackbird-api-vercel-app",
    "name": "the-stables-blackbird-api.vercel.app",
    "description": "",
    "domain": "the-stables-blackbird-api.vercel.app",
    "provider": "the-stables-blackbird-api.vercel.app",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id",
        "description": "Retrieve a Payment Intent with its derived status. Requires a Blackbird identity: link your agent wallet once at /connect, then call with x402 + SIWX (first call pays, later SIWX-signed calls are free); or pass a member JWT in the X-Blackbird-Token header.",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "path",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "Unique identifier (UUID format)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Blackbird API",
        "tags": [
          "restaurants",
          "dining",
          "blackbird",
          "flynet",
          "check-ins"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id/cancel",
        "description": "Cancel a pending Payment Intent. Idempotent; 400 if already paid or refunded. Requires a Blackbird identity: link your agent wallet once at /connect, then call with x402 + SIWX (first call pays, later SIWX-signed calls are free); or pass a member JWT in the X-Blackbird-Token header.",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "path",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "Unique identifier (UUID format)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Blackbird API",
        "tags": [
          "restaurants",
          "dining",
          "blackbird",
          "flynet",
          "check-ins"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://the-stables-blackbird-api.vercel.app/api/payment_intents/:id/refund",
        "description": "Refund a paid Payment Intent \u2014 reverses the full FLY transfer (partial refunds unsupported). Requires a Blackbird identity: link your agent wallet once at /connect, then call with x402 + SIWX (first call pays, later SIWX-signed calls are free); or pass a member JWT in the X-Blackbird-Token header.",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "path",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "Unique identifier (UUID format)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Blackbird API",
        "tags": [
          "restaurants",
          "dining",
          "blackbird",
          "flynet",
          "check-ins"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://the-stables-blackbird-api.vercel.app/api/restaurants/:id",
        "description": "Get a single restaurant by UUID.",
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "path",
            "name": "id",
            "type": "string",
            "description": "",
            "example": "Unique identifier (UUID format)",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Blackbird API",
        "tags": [
          "restaurants",
          "dining",
          "blackbird",
          "flynet",
          "check-ins"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.005",
      "maxAmount": "0.005",
      "avgCostPerTransaction": "0.005",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "Blackbird API",
    "tags": [
      "restaurants",
      "dining",
      "blackbird",
      "flynet",
      "check-ins"
    ],
    "iconUrl": ""
  }
}