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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 1.0 v1.0.0

Nexbid Commerce Agent

nexbid.dev · digital opua GmbH

Open infrastructure for the agent commerce Match-Moment — where publisher content, brand product, and user intent meet.

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🔔 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
81/100
grade B · 9 criteria
Uptime
100.0%
24 direct probes · 30d
~136 ms response
Observed inflow · 30d
no payment wallet declared
Invocations · 7d
0
2 listing impressions — no calls
Card drift · 7d
stable
3 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

B
Conformance score: 81/100
B-grade: working agent with minor gaps (often unsigned cards or thin metadata).
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).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~136 ms).
pass Protocol version 10/10
Declares A2A 1.0 with supportedInterfaces[] (current v1 card shape).
info JWS signature 0/10
Card is unsigned (most published agents are).
pass Uptime track record 15/15
24/24 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: digital opua GmbH (https://nexbid.dev). 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
partial Security declaration 2/5
Declares 1 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth: `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs →

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded
0
invocations 7d
reached the endpoint through us
0
lookups 7d
our API answered about it
2
impressions 7d
appeared in a result list
Per event type (7d)
2
search_impression
Recent events (last 20)
When Event Method Status Latency
2026-09-10T02:33:38 search_impression 200 ok
2026-09-10T02:28:26 search_impression 200 ok

Card history

3 snapshots drifted 2× Every change to agent-card.json
Captured Hash
2026-08-07 05:56:51 current f9893f5b7e00… view →
2026-08-06 05:56:32 bf3712d5e064… view →
2026-05-15 00:33:17 5ec89afa35e8… view →
Uptime
100.0%
24 direct probes · 30d
Response
106ms
last direct probe
Skills
4
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://nexbid.dev/.well-known/agent-card.json
Providerhttps://nexbid.dev
About this provider off-card enrichment
Domain age
Registered 2026-02-19
via Ascio Technologies, Inc.
SSL certificate
Let's Encrypt
expires 2026-11-24
Discovered via
mcp_registry recrawl_hot

Skills · 4 declared · mapped to canonical taxonomy

Product Discovery

Find products matching user intent, context, and budget constraints

Category Browsing

Browse available product categories by geography

Product Detail

Get comprehensive product information including price, availability, and purchase link

Purchase

Create a purchase intent for a product and return a Task. The task tracks progress via tasks/get; the purchase completes only after the human buyer authorizes i…

canonical Agent-Initiated Checkout (AP2) match 85%

Health · last 23 probes

When HTTP Live JSON-RPC Latency
2026-09-16 07:17:45 200 106ms
2026-09-14 02:32:11 200 26ms
2026-09-12 03:26:40 200 127ms
2026-09-10 02:08:28 200 40ms
2026-09-08 10:51:00 200 94ms
2026-09-06 10:11:52 200 87ms
2026-09-04 06:53:43 200 49ms
2026-09-02 06:03:25 200 96ms
2026-09-01 00:17:04 200 118ms
2026-08-30 17:39:53 200 79ms

Who's calling this agent 30d

2 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
curl 2 (100%)
Caller geography · top 3
US 2
Via which API surface · top 3
rest 2

Public teaser: top-3 per dimension only. 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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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/nexbid.dev.svg)](https://agenstry.com/agents/nexbid.dev)
[![Verified Business](https://agenstry.com/badge/nexbid.dev/identity.svg)](https://agenstry.com/agents/nexbid.dev)
[![Uptime](https://agenstry.com/badge/nexbid.dev/uptime.svg)](https://agenstry.com/agents/nexbid.dev)
[![A2A version](https://agenstry.com/badge/nexbid.dev/protocol.svg)](https://agenstry.com/agents/nexbid.dev)

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
{
  "name": "Nexbid Commerce Agent",
  "description": "Open infrastructure for the agent commerce Match-Moment \u2014 where publisher content, brand product, and user intent meet.",
  "supportedInterfaces": [
    {
      "url": "https://api.nexbid.dev/v1/a2a",
      "protocolBinding": "JSONRPC",
      "tenant": "",
      "protocolVersion": "1.0"
    }
  ],
  "version": "1.0.0",
  "provider": {
    "organization": "digital opua GmbH",
    "url": "https://nexbid.dev"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "skills": [
    {
      "id": "product-discovery",
      "name": "Product Discovery",
      "description": "Find products matching user intent, context, and budget constraints",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "securityRequirements": []
    },
    {
      "id": "category-browse",
      "name": "Category Browsing",
      "description": "Browse available product categories by geography",
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "securityRequirements": []
    },
    {
      "id": "product-detail",
      "name": "Product Detail",
      "description": "Get comprehensive product information including price, availability, and purchase link",
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "securityRequirements": []
    },
    {
      "id": "purchase",
      "name": "Purchase",
      "description": "Create a purchase intent for a product and return a Task. The task tracks progress via tasks/get; the purchase completes only after the human buyer authorizes it out-of-band through a magic link \u2014 that authorization step is not part of the A2A protocol.",
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "securityRequirements": [
        {
          "schemes": {
            "apiKey": {
              "list": []
            }
          }
        }
      ]
    }
  ],
  "securitySchemes": {
    "apiKey": {
      "scheme": {
        "$case": "apiKeySecurityScheme",
        "value": {
          "description": "API key required for the purchase skill; discovery is open.",
          "location": "header",
          "name": "x-api-key"
        }
      }
    }
  },
  "securityRequirements": [],
  "signatures": [],
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "pricing": {
    "currency": "CHF",
    "platform_fee": "10%",
    "publisher_share": "90%",
    "tiers": {
      "self_serve": {
        "fee": "10%",
        "description": "Self-serve \u2014 no setup, no minimum, full platform fee from day one."
      },
      "founding": {
        "fee": "5%",
        "description": "Founding tier \u2014 5% platform fee for 12 months, reverts to 10% after. Setup CHF 5000 + CHF 200/mo (publisher) or CHF 500/mo (advertiser).",
        "duration_months": 12,
        "setup_fee": 5000,
        "monthly_fee_publisher": 200,
        "monthly_fee_advertiser": 500
      },
      "managed": {
        "fee": "5%",
        "description": "Managed tier \u2014 5% platform fee for 12 months, reverts to 10% after. Setup CHF 5000 + CHF 1000/mo (publisher) or CHF 3500/mo (advertiser). Includes dedicated account manager.",
        "duration_months": 12,
        "setup_fee": 5000,
        "monthly_fee_publisher": 1000,
        "monthly_fee_advertiser": 3500
      }
    },
    "advertiser": {
      "starter_credit": 1000,
      "min_media_buy_budget": 2500
    },
    "enriched_snippet_pricing": {
      "basic": {
        "cents": 10,
        "includes": [
          "price",
          "availability"
        ]
      },
      "standard": {
        "cents": 50,
        "includes": [
          "price",
          "availability",
          "rating",
          "description",
          "image"
        ]
      },
      "rich": {
        "cents": 150,
        "includes": [
          "reviews",
          "comparisons",
          "test_reports"
        ]
      },
      "premium": {
        "cents": 300,
        "includes": [
          "editorial",
          "video",
          "interactive"
        ]
      }
    },
    "billing_models": [
      "cpm",
      "cpc",
      "cpa",
      "enriched_snippet",
      "revenue_share",
      "flat_fee"
    ]
  },
  "extensions": {
    "bazaar": {
      "provider": "nexbid",
      "category": "commerce",
      "payment_protocols": [
        "x402"
      ],
      "networks": [
        "eip155:8453"
      ],
      "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
      "gated_paths": [
        "/mcp/tools/nexbid_search",
        "/mcp/tools/nexbid_product"
      ]
    }
  }
}