x402 List

x402 Protocol Service Directory

Hugen Visual API

Compute

Renders any public URL to a base64 JPEG or PNG screenshot, with full-page capture, CSS selector targeting, device presets and dark mode. Returns page title, file size and render time. Paid per capture in USDC on Base or Solana.

Pay from $0.02 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 100% 7D 100% 30D 100%
BASE URL https://visual.hugen.tokyo ENDPOINTS 1 NETWORK Base / Solana ASSET USDC MEMBER SINCE 2026-07-20 MONITORED SINCE 2026-07-20

ASSESSMENT

updated 5h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 100%
uptime 24h
100%
uptime 7d
100%
uptime 30d
100%
uptime 90d
100%
response p95
1220ms
avg response
928ms
total checks
47
compliance A (11/11)

11 of 11 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.02 (p92 in Compute)
price (min)
$0.02
category percentile (min)
p92 in Compute
endpoints / prices
1 / 1
model
flat
stability
100%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

traction $8.76 30d · 49 buyers
volume 30d
$8.76
buyers 30d
49
settlements 30d
538
last settlement
2026-07-21
top buyer share
32% of 30d volume
trend 7d vs 30d
0.62x the 30d daily rate
networks
eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d

Attributed pro-quota: this payout address is shared, so volume and buyers are the operator-level figure divided by the services sharing it. A declared convention, not an individually observed measure, and still a conservative undercount.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Provides visual API services for capturing screenshots, PDFs, parsing content, and performing OCR on URLs

category
visual-api
in
query params
out
image
screenshotpdfocrparsingvisual

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
GET /visual/screenshot $0.02 Base/Solana USDC
1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /visual/screenshot returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://visual.hugen.tokyo/visual/screenshot'
// 402 response (captured by monitor) · 1 payload · click to expand
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
        "amount": "20000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://visual.hugen.tokyo/visual/screenshot",
      "mimeType": "application/json",
      "description": "Screenshot any public URL — returns base64 JPEG/PNG with metadata (page title, file size, render time). Full-page scroll capture, CSS selector targeting, device emulation (iPhone 15 Pro, Pixel 7, iPad Pro 12.9), dark mode, ad/cookie banner auto-removal. No browser infrastructure needed, no server costs. Pay per capture. Accepts USDC payments on Base and Solana"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "url": "https://github.com/coinbase/x402",
              "width": "1280",
              "format": "jpeg",
              "height": "720"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "url": "https://github.com/coinbase/x402",
              "format": "jpeg",
              "viewport": {
                "width": 1280,
                "height": 720
              },
              "page_title": "GitHub - coinbase/x402: An open protocol for internet-native payments",
              "render_time_ms": 1847,
              "file_size_bytes": 48320
            }
          }
        },
        "tags": [
          "screenshot",
          "pdf",
          "rendering"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ]
            }
          }
        },
        "category": "visual-capture",
        "discoverable": true
      }
    },
    "x402Version": 2
  }
]

UPTIME

07-20 · uptime 100.0% · 964ms avg07-21 · uptime 100.0% · 910ms avg07-2007-21
RESPONSE TIME
07-20 · 964ms avg07-20 · 964ms avg07-21 · 910ms avg07-21 · 910ms avg07-2007-21
30d UPTIME 100%
UPTIME 30D 100%
AVG RESP 922ms
TOTAL CHECKS 68

RECENT CHECKS

TIME STATUS RESP
● OK 788ms
● OK 1083ms
● SLOW 1445ms
● OK 798ms
● OK 807ms
● OK 783ms
● OK 810ms
● OK 769ms
● OK 776ms
● OK 1163ms
● OK 903ms
● OK 800ms
● OK 801ms
● OK 1010ms
● OK 1006ms
● OK 783ms
● SLOW 1492ms
● OK 780ms

OVER TIME

All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/hugen-visual-api/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted).

PRICE (captured 402, USD)
07-20 · $0.0207-21 · $0.02$0.0207-2007-21
SUB-SCORES (uptime + x402 compliance)
07-20 compliance: 100% checks07-21 uptime: 100.0% compliance: 100% checksuptimecompliance07-2007-21
VOLUME (on-chain settlement, USD)
06-21 · $0.6906-22 · $706-23 · $406-24 · $306-25 · $406-26 · $406-27 · $206-28 · $306-29 · $606-30 · $307-01 · $407-02 · $307-03 · $207-04 · $207-05 · $307-06 · $307-07 · $307-08 · $307-09 · $407-10 · $307-11 · $207-12 · $207-13 · $207-14 · $207-15 · $207-16 · $207-17 · $207-18 · $207-19 · $207-20 · $207-21 · $0.94peak $706-2107-21

Shared payout address (9 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service figure is attributed, the assessment block and the ranking, it is the address total divided pro-quota by the 10 services sharing it: a declared convention, not an individually observed measure.

DISTINCT BUYERS
06-21 · 8 buyers06-22 · 49 buyers06-23 · 36 buyers06-24 · 38 buyers06-25 · 22 buyers06-26 · 24 buyers06-27 · 25 buyers06-28 · 36 buyers06-29 · 63 buyers06-30 · 41 buyers07-01 · 43 buyers07-02 · 22 buyers07-03 · 35 buyers07-04 · 29 buyers07-05 · 39 buyers07-06 · 47 buyers07-07 · 47 buyers07-08 · 26 buyers07-09 · 43 buyers07-10 · 42 buyers07-11 · 59 buyers07-12 · 32 buyers07-13 · 14 buyers07-14 · 27 buyers07-15 · 34 buyers07-16 · 24 buyers07-17 · 26 buyers07-18 · 19 buyers07-19 · 23 buyers07-20 · 15 buyers07-21 · 15 buyerspeak 63 buyers06-2107-21

Shared payout address (9 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service buyer count is attributed, the assessment block and the ranking, it is divided pro-quota by the 10 services sharing the address and can be fractional: a declared convention, not an individually observed measure.

COMPLIANCE

11/11 checks pass · grade A
  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS

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