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x402.freeq.one tools mermaid
https://x402.freeq.one/tools/mermaid
answers 402
x402-gateway tool: mermaid — Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only).
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x90b0dC893406d6eA63bb077ED59F5e8340f98d84
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 277 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:17.681Z (23d ago)
- Category
- web-scraping
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.freeq.one%2Ftools%2Fmermaid"