Pocket Network Pretty Charts

x402

Pocket Network Pretty Charts is a paid API for AI agents from agent.pocket.network, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-30).

Renders inline data (CSV, TSV, JSON, or row objects) into a static SVG or HTML chart using Vega-Lite v6, returned inside a JSON object.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Renders a chart from inline data (CSV, TSV, JSON or row values) and returns it as static SVG, or a complete HTML document, inside a JSON object. POST /v1/chart with either a full Vega-Lite v6 spec or the shorthand form (type, x, y, color, ranges, colors, theme). Every data mark carries a native tooltip, so nothing is scripted. Pay per request in USDC; no account, no API key.

Output

A JSON object containing either a static SVG string or a complete HTML document string representing the rendered chart. The chart uses Vega-Lite v6 encoding with native data-mark tooltips and no client-side scripting. Format depends on the options.format field (default: svg).

Example use cases

Monthly sales bar chart from CSV

“I have monthly sales data as a CSV — can you render it as a bar chart with 'month' on the x-axis and 'sales' on the y-axis, dark theme, returned as an SVG? Here's the data: month,sales\nJan,12000\nFeb,15400\nMar,11800\nApr,17200”

Time-series line chart from JSON

“Take this JSON array of daily temperature readings and render a line chart with 'date' on the x-axis and 'temp_c' on the y-axis, 400px wide and 300px tall, returned as HTML: [{"date":"2024-01-01","temp_c":3},{"date":"2024-01-02","temp_c":5},{"date":"2024-01-03","temp_c":2}]”

Category breakdown donut chart

“Can you make a donut chart from this row data showing market share by product — theta is 'share' and color is 'product'? Return it as SVG. Values: [{"product":"Alpha","share":42},{"product":"Beta","share":31},{"product":"Gamma","share":27}]”

Technical details

Endpoint

POSThttps://agent.pocket.network/v1/pretty-charts?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a server-side, no-account, no-API-key chart rendered from inline data — especially when the output must be a static SVG or standalone HTML (not an interactive JavaScript bundle). It is ideal for agents that need to embed charts in reports or emails, where scripted interactivity is undesirable. Prefer it over client-side libraries when the agent cannot run JavaScript, or over full BI tools when the data is small and inline. The pay-per-request USDC model makes it suitable for low-volume, one-off chart generation without subscription overhead.

Side effects

URL references in the spec are refused — any `url` field anywhere in a Vega-Lite spec will be rejected
Missing or ambiguous data source (more than one of csv/tsv/json/values provided simultaneously)
Invalid chart type string — must be one of the supported Vega-Lite mark types (bar, line, area, pie, etc.)
Malformed CSV/TSV (missing header row, inconsistent columns) causing parse failure
Payment not processed — 402 response if USDC payment via x402 is not completed
Invalid theme name — unrecognized vega-themes preset causes render error

Input

Schema · Request body

Field	Type	Description
data	object	Inline data; exactly one of csv, tsv, json or values.
spec	object	A Vega-Lite v6 spec. Any `url` anywhere in it is refused.
chart	object	Shorthand that compiles to a single-view Vega-Lite spec. `type` is one of bar, line, area, point, scatter, circle, square, tick, rect, heatmap, arc, pie, donut, boxplot, errorbar, errorband, rule, text, trail; channels (x, y, color, size, shape, theta, ...) take a column name or a field definition; plus xRange, yRange, colors, colorScheme, stack, title, width, height, tooltip.
options	object	Render options.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {
      "html": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"480\" height=\"300\" viewBox=\"0 0 480 300\">…</svg>",
      "rows": 2,
      "marks": 2,
      "width": 480,
      "format": "svg",
      "height": 300,
      "service": "pretty-charts",
      "tooltips": true,
      "warnings": [],
      "render_ms": 41,
      "content_type": "image/svg+xml"
    },
    "portal": {
      "serviceId": "pretty-charts",
      "provenance": "third-party-supplier",
      "schemaCheck": "passed"
    }
  }
}

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