pdfpeek (Tanod) Mermaid render
pdfpeek (Tanod) Mermaid render: diagram code drawn as an SVG or PNG image in a sandboxed browser with no network. Use when an agent must turn Mermaid diagram code into an SVG or sharp PNG image for a report or README.
Answeringour last check, 2026-11-04
3 of 3checks answered this week
284 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://tanod.dev/v1/render/mermaid
| Category | Image and media |
|---|---|
| Provider host | tanod.dev |
| Networks | eip155:137, eip155:42161, eip155:56, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-11-04 | valid payment request | 402 | $0.003 | 191 ms |
| 2026-11-03 | valid payment request | 402 | $0.003 | 287 ms |
| 2026-11-02 | valid payment request | 402 | $0.003 | 284 ms |
Example input (from the provider)
{
"body": {
"code": "graph TD\n A[Start] --> B{Ok?}\n B -->|yes| C[Done]\n B -->|no| A"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"code": {
"description": "Mermaid diagram source (flowchart, sequence, class, state, ER, gantt, pie, git graph, mindmap, timeline and the other types of mermaid 11.4.1), 1-20,000 characters. Fenced ``` lines are not needed. A syntax error is a 422 with the line number.",
"maxLength": 20000,
"minLength": 1,
"type": "string"
},
"format": {
"default": "svg",
"description": "svg (default, scalable, plain text labels) or png.",
"enum": [
"svg",
"png"
],
"type": "string"
},
"output": {
"default": "base64",
"description": "base64 (default): inline. url: stored for 24 hours; link, metadata.",
"enum": [
"base64",
"url"
],
"type": "string"
},
"scale": {
"default": 2,
"description": "PNG pixel density, 1-4 (default 2, sharp when zoomed). Lowered automatically so the longest side stays at 8,000 px. Ignored for svg.",
"maximum": 4,
"minimum": 1,
"type": "number"
},
"theme": {
"default": "default",
"description": "Mermaid theme. dark gives a dark background in PNG; the others a white one.",
"enum": [
"default",
"dark",
"forest",
"neutral",
"base"
],
"type": "string"
}
},
"required": [
"code"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}