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📊 Intel view 📋 Audit JSON 🔄 Changelog
65
💰 Paid API v3.0.0

x402engine.app

x402engine.app · x402engine.app

Real-time cryptocurrency prices for any coin in any fiat currency

🛡
Own this agent?
Verify the domain x402engine.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 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
44/100
grade D · 9 criteria
Uptime
98.2%
110 probes
~196 ms response
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
4 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 44/100
D-grade: significant issues, auth-gated, partially broken, or stale.
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).
pass Uptime track record 15/15
108/110 probes succeeded (98% uptime).
pass Skill declaration 10/10
Declares 13 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: x402engine.app (https://x402engine.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
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.

Card history

4 snapshots drifted 3× Every change to agent-card.json
Captured Hash
2026-07-10 20:02:58 current 5c5a9d5a483c… view →
2026-07-06 17:37:30 5c5a9d5a483c… view →
2026-07-02 07:54:15 5c5a9d5a483c… view →
2026-05-21 00:03:24 abc985154bd0… view →
Uptime
98.2%
110 probes
Response
189ms
last probe
Skills
13
declared
Streaming
SSE-capable

Endpoints

Pricing x402 on Base USDC
From $0.0010 per call
Endpoint Price Currency
https://x402engine.app/api/crypto/price 0.001 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Agent cardhttps://x402engine.app/.well-known/agent.json
Providerhttps://x402engine.app
Docshttps://x402engine.app
Discovered via
agentic_market recrawl_warm recrawl_hot

Skills · 13 declared · mapped to canonical taxonomy

Image Generation

Generate images using AI (fast, quality, text-in-image, and Nano Banana 2 tiers). Prices: $0.015-$0.12 per image.

canonical Image Generation match 87%
imagegenerationai
Video Generation

Generate videos from text (Kling, Hailuo) or animate images. Fast ($0.30), quality ($0.50), and premium ($0.60) tiers plus image-to-video ($0.50).

canonical Video Generation match 87%
videogenerationaiklinghailuo
LLM Inference

Access 50 LLM models including GPT-5.4/5.4 Pro/5.3 Codex, GPT-5 Nano, o4-mini, Claude Opus 4.8/4.6/4.5, Claude Sonnet 4.6, Gemini 3.1 Pro/Flash Lite, DeepSeek V…

canonical Model Evaluation and Benchmarking match 82%
llminferencegptclaudegemini
Code Execution

Execute code in a sandboxed environment. Supports Python, JavaScript, Bash, R, Ruby, Go, and Rust. Price: $0.005 per execution.

canonical Shell and Process Execution match 85%
codeexecutionsandboxpythonjavascript
Audio Processing

Transcribe audio to text (Deepgram Nova-3), generate speech from text (OpenAI, ElevenLabs), and clone voices with Lux TTS. Prices: $0.01-$0.10.

canonical Text-to-Speech match 90%
audiotranscriptionttsspeech
Crypto Market Data

Real-time crypto prices, market data, historical charts, trending coins, and search. Prices: $0.001-$0.003.

canonical Bitcoin Fee Estimation match 84%
cryptomarketpricebitcoinethereum
Wallet Analytics

Token balances, transaction history, PnL (profit/loss), token prices, and metadata for any blockchain wallet. Prices: $0.002-$0.01.

canonical Crypto Derivatives Analytics match 84%
walletblockchaindefianalytics
ENS Resolution

Resolve ENS names to addresses and reverse lookup. Price: $0.001.

canonical On-chain Settlement match 82%
ensethereumdomain
IPFS Storage

Pin JSON data to IPFS and retrieve content by CID. Prices: $0.001-$0.01.

canonical File Storage and Sharing match 81%
ipfsstoragedecentralized
Web Search, Scraping & Screenshots

Search the web, scrape page content, and capture screenshots. Prices: $0.005-$0.01.

canonical Web Scraping and Extraction match 89%
websearchscrapescreenshot
Transaction Simulation

Simulate EVM transactions to preview outcomes before execution. Price: $0.01.

canonical Bitcoin Fee Estimation match 84%
transactionsimulationevm
Travel Search

Search flights and hotels via Google Flights and Google Hotels. Find best flights with price insights, and hotels with ratings and amenities. Prices: $0.02 per …

canonical Flight Search and Booking match 89%
travelflightshotelsgoogle-flightsgoogle-hotels
Text Embeddings

Generate text embeddings for semantic search and similarity. Price: $0.001.

canonical Vector Search and Embeddings match 87%
embeddingssemanticsearch

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-13 08:55:49 200 189ms
2026-07-10 20:02:57 200 213ms
2026-07-10 00:15:45 200 187ms
2026-07-06 17:37:30 200 194ms
2026-07-05 19:46:37 200 183ms
2026-07-05 08:04:49 200 487ms
2026-07-04 15:21:22 200 339ms
2026-07-04 03:01:34 200 191ms
2026-07-03 09:40:25 200 187ms
2026-07-02 18:38:45 200 218ms

Cheaper or better alternatives per-skill

↓ 1 skill cheaper elsewhere ↑ 10 higher quality peak save 99.9%

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.

Similar agents embedding-nearest

x402-data-api.onrender.com
Enriched crypto market report for one asset: rank, multi-timeframe price changes (1h/24h/7d/30d), all-time-high context, plain-English momen
x402-data-api.onrender.com · q 85%
token-price.api.klymax402.com
Get real-time crypto token price with 24h change, market cap, and volume
token-price.api.klymax402.com · q 85%
X402
x402-protected paid API on x402.strikerobot.ai (discovered via Coinbase facilitator).
x402.strikerobot.ai · q 0%
currency-converter.api.klymax402.com
Convert between fiat currencies and cryptocurrencies
currency-converter.api.klymax402.com · q 85%
x402.blocknotify.com
Get real-time token price, market cap and more. Pass an EVM chain plus ERC-20 contract address; returns current price (USD or any quote curr
x402.blocknotify.com · q 85%
X402
x402-protected paid API on x402.klimalabs.com (discovered via Coinbase facilitator).
x402.klimalabs.com · q 0%

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/x402engine.app.svg)](https://agenstry.com/agents/x402engine.app)
[![Verified Business](https://agenstry.com/badge/x402engine.app/identity.svg)](https://agenstry.com/agents/x402engine.app)
[![Uptime](https://agenstry.com/badge/x402engine.app/uptime.svg)](https://agenstry.com/agents/x402engine.app)
[![A2A version](https://agenstry.com/badge/x402engine.app/protocol.svg)](https://agenstry.com/agents/x402engine.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": "x402engine-app",
    "name": "x402engine.app",
    "description": "Real-time cryptocurrency prices for any coin in any fiat currency",
    "domain": "x402engine.app",
    "provider": "x402engine.app",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "eip155:4326",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://x402engine.app/api/crypto/price",
        "description": "Real-time cryptocurrency prices for any coin in any fiat currency",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "currencies",
            "type": "string",
            "description": "",
            "example": "usd,eur",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "ids",
            "type": "string",
            "description": "",
            "example": "bitcoin,ethereum",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": null
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.001",
      "maxAmount": "0.001",
      "avgCostPerTransaction": "0.001",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}