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📊 Intel view 📋 Audit JSON 🔄 Changelog
76
A2A v1.0.0 x402 micropay

Dexter AI

x402.dexter.cash · Dexter

The Trust Layer for AI Agents. Leading x402 facilitator and marketplace powering 3.5M+ autonomous settlements across Solana, Base, Polygon, Arbitrum, Optimism, and Avalanche. Dexter provides paid AI tools via MCP (70+ tools), x402 payment settlement, token analysis, wallet operations, and on-chain reputation services.

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Verify the domain x402.dexter.cash 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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🔔 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
43/100
grade D · 9 criteria
Uptime
88.2%
17 probes
~372 ms response
Observed inflow · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
stable
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 43/100
D-grade: significant issues, auth-gated, partially broken, or stale.
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).
fail Live JSON-RPC 0/25
Card declares a URL but that URL returns 404.
How to earn +25 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).
partial Uptime track record 13/15
15/17 probes succeeded (88% uptime).
How to earn +2 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Dexter (https://dexter.cash). 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 5/5
declares 1 modern capability flag(s) (x402); 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 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.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-07-19 06:44:09 current 27b8992995fc… view →
Uptime
88.2%
17 probes
Response
393ms
last probe
Skills
4
declared
Streaming
SSE-capable

Endpoints

Pricing x402 on solana USDC Verified live · 402 challenge Dispute or improve this rating
From $0.0500 per call
Endpoint Price Currency
https://x402.dexter.cash/onchain/entity 0.05 USDC
https://x402.dexter.cash/onchain/activity 0.05 USDC
https://x402.dexter.cash/api/shield/create USDC
https://x402.dexter.cash/api/team/applies USDC
Try it ↗ Opens the operator's documentation in a new tab.
Settlement wallet: GLg4GZtswQkUa2M4k6KkCWb9yHGvyygwrUMZTk3wbBLF · basescan ↗
Observed on-chain inflow verified on-chain
Last 7d
$0.00
0 calls
Last 30d
$0.00
0 calls
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the payment wallet.
Daily 30-day observed-inflow history
2026-08-07 2026-08-10
Peak day: $0.00 Data points: 4 Total tx (30d window): 0
Agent cardhttps://x402.dexter.cash/.well-known/agent-card.json
Providerhttps://dexter.cash
Docshttps://docs.dexter.cash
Discovered via
manifests recrawl_hot recrawl_warm

Skills · 4 declared · mapped to canonical taxonomy

x402 Payment Settlement

Facilitates autonomous HTTP 402 payment settlements between AI agents on Solana, Base, and other EVM chains. Handles payment verification, USDC transfers, and s…

canonical x402 Crypto Micropayment match 92%
paymentsx402settlementsolanabase
Token & Market Analysis

Provides real-time token prices, market data, holder analysis, and risk assessments for Solana SPL tokens and EVM tokens using DexScreener, Birdeye, and on-chai…

canonical Market Signals and Strategy match 84%
tokensanalysismarket-datasolanadefi
MCP Tool Access

Provides access to 70+ MCP tools including web search, Twitter/X integration, wallet operations, on-chain analysis, report generation, and more. Tools are acces…

canonical UCP Catalog Exposure match 83%
mcptoolsweb-searchtwitterwallet
Agent Reputation & Trust

Computes and publishes on-chain reputation scores for AI agents using ERC-8004 and SATI protocols. Provides trust assessments based on settlement history, uptim…

canonical Agent Profiles match 85%
reputationtrusterc-8004scoringattestation

Health · last 17 probes

When HTTP Live JSON-RPC Latency
2026-08-09 10:28:50 200 393ms
2026-08-08 19:51:08 200 333ms
2026-08-08 11:15:33 200 328ms
2026-08-07 10:11:57 200 327ms
2026-08-06 07:41:37 200 343ms
2026-08-05 07:29:17 200 329ms
2026-08-04 07:27:15 200 313ms
2026-08-03 23:44:53 200 335ms
2026-08-02 19:36:01 200 325ms
2026-08-02 11:13:03 200 331ms

Cheaper or better alternatives per-skill

↓ 4 skills cheaper elsewhere ↑ 4 higher quality peak save 98.0%

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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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/x402.dexter.cash.svg)](https://agenstry.com/agents/x402.dexter.cash)
[![Verified Business](https://agenstry.com/badge/x402.dexter.cash/identity.svg)](https://agenstry.com/agents/x402.dexter.cash)
[![Uptime](https://agenstry.com/badge/x402.dexter.cash/uptime.svg)](https://agenstry.com/agents/x402.dexter.cash)
[![A2A version](https://agenstry.com/badge/x402.dexter.cash/protocol.svg)](https://agenstry.com/agents/x402.dexter.cash)

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": "Dexter AI",
  "description": "The Trust Layer for AI Agents. Leading x402 facilitator and marketplace powering 3.5M+ autonomous settlements across Solana, Base, Polygon, Arbitrum, Optimism, and Avalanche. Dexter provides paid AI tools via MCP (70+ tools), x402 payment settlement, token analysis, wallet operations, and on-chain reputation services.",
  "url": "https://api.dexter.cash/a2a",
  "provider": {
    "organization": "Dexter",
    "url": "https://dexter.cash"
  },
  "iconUrl": "https://dexter.cash/logo.png",
  "version": "1.0.0",
  "documentationUrl": "https://docs.dexter.cash",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "x402-settlement",
      "name": "x402 Payment Settlement",
      "description": "Facilitates autonomous HTTP 402 payment settlements between AI agents on Solana, Base, and other EVM chains. Handles payment verification, USDC transfers, and settlement confirmation.",
      "tags": [
        "payments",
        "x402",
        "settlement",
        "solana",
        "base",
        "usdc",
        "defi"
      ],
      "examples": [
        "Settle a $0.05 USDC payment for an API call on Solana",
        "Verify an x402 payment receipt and release the protected resource"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "token-analysis",
      "name": "Token & Market Analysis",
      "description": "Provides real-time token prices, market data, holder analysis, and risk assessments for Solana SPL tokens and EVM tokens using DexScreener, Birdeye, and on-chain data.",
      "tags": [
        "tokens",
        "analysis",
        "market-data",
        "solana",
        "defi",
        "trading"
      ],
      "examples": [
        "What is the current price and market cap of SOL?",
        "Analyze the top holders of token mint address Dex6BTAPAzLENDZymtTYfYjwRRAWRXTcV58Jyo3T5ipp"
      ]
    },
    {
      "id": "mcp-tools",
      "name": "MCP Tool Access",
      "description": "Provides access to 70+ MCP tools including web search, Twitter/X integration, wallet operations, on-chain analysis, report generation, and more. Tools are accessed via the Model Context Protocol.",
      "tags": [
        "mcp",
        "tools",
        "web-search",
        "twitter",
        "wallet",
        "reports"
      ],
      "examples": [
        "Search the web for recent Solana ecosystem news",
        "Generate a wallet activity report for a Solana address"
      ]
    },
    {
      "id": "reputation",
      "name": "Agent Reputation & Trust",
      "description": "Computes and publishes on-chain reputation scores for AI agents using ERC-8004 and SATI protocols. Provides trust assessments based on settlement history, uptime, and transaction volume.",
      "tags": [
        "reputation",
        "trust",
        "erc-8004",
        "scoring",
        "attestation"
      ],
      "examples": [
        "What is the reputation score for agent 0x1234...?",
        "Publish a reputation attestation for a verified agent"
      ]
    }
  ]
}