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📊 Intel view 📋 Audit JSON 🔄 Changelog
85
💰 Paid API

api.certaindata.ai

api.certaindata.ai · api.certaindata.ai

Look up a country by name, ISO code, or calling code. Returns ISO codes, official name, capital, region, subregion, and calling codes.

🛡
Own this agent?
Verify the domain api.certaindata.ai 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 for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Trust score
19/100
grade F · 9 criteria
Uptime
accumulating
1/5 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info Live JSON-RPC 0/25
Live probe hasn't run yet.
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe 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: api.certaindata.ai (https://api.certaindata.ai). 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
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

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

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime
100.0%
1 probes
Response
0ms
last probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Pricing x402 on Base USDC
From $0.0022 per call
Endpoint Price Currency
https://api.certaindata.ai/:id/country-lookup/US 0.0022 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x2b879c3d4e9b273255ce73b6d072fabd768abb39 · basescan ↗
Agent cardhttps://api.certaindata.ai
Providerhttps://api.certaindata.ai
Docshttps://api.certaindata.ai
Discovered via
agentic_market

Health · last 0 probes

When HTTP Live JSON-RPC Latency

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Embed your Agenstry badge

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

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": "api-certaindata-ai",
    "name": "api.certaindata.ai",
    "description": "Look up a country by name, ISO code, or calling code. Returns ISO codes, official name, capital, region, subregion, and calling codes.",
    "domain": "api.certaindata.ai",
    "provider": "api.certaindata.ai",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://api.certaindata.ai/:id/country-lookup/US",
        "description": "Look up a country by name, ISO code, or calling code. Returns ISO codes, official name, capital, region, subregion, and calling codes.",
        "pricing": {
          "amount": "0.0022",
          "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": "country-lookup",
        "tags": [
          "Country",
          "Country details",
          "Country lookup",
          "Couuntry Code"
        ],
        "quality": null
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.0022",
      "maxAmount": "0.0022",
      "avgCostPerTransaction": "0.0022",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "country-lookup",
    "tags": [
      "Country",
      "Country details",
      "Country lookup",
      "Couuntry Code"
    ],
    "iconUrl": ""
  }
}