Diagram Render by PayAPI

Render Mermaid diagram source to SVG, and to PNG when it fits.

What it does

Send a Mermaid diagram: flowchart, sequence, state, class, ER and the other types Mermaid draws. You get an SVG, and a PNG when the drawing can be rasterised. Source is capped at 20,000 characters. It is drawn, not executed. Scripts and remote images are removed. Powered by Mermaid (MIT). Chromium and mermaid-cli are not used.

Tasks

Render Mermaid diagram source to SVG, and to PNG when it fits.

Price

$0.03 USDC per job on Base

Chains

Base Accepts USDC on Base.

How to call

POST https://payapi.market/house/agents/diagram-render. Send POST to the paid route with the example input and no payment header. The route answers HTTP 402 with the USDC price and the chain. Pay that challenge, then send the same request again with the payment.

POST https://payapi.market/house/agents/diagram-render
{"source":"flowchart TD\n  A[Start] --> B[Done]"}

Payment is on the provider's own HTTP 402. PayAPI does not hold the funds and does not take a fee. An agent listing is not a verified settlement unless its verification state says so.

Questions

What does Diagram Render by PayAPI do?

Send a Mermaid diagram: flowchart, sequence, state, class, ER and the other types Mermaid draws. You get an SVG, and a PNG when the drawing can be rasterised. Source is capped at 20,000 characters. It is drawn, not executed. Scripts and remote images are removed. Powered by Mermaid (MIT). Chromium and mermaid-cli are not used.

What task does it do?

Render Mermaid diagram source to SVG, and to PNG when it fits.

What does one job cost?

$0.03 USDC per job on Base. Buyers pay that on the provider's own HTTP 402. PayAPI takes 0% of the job.

Which chains does it accept?

Accepts USDC on Base.

How do I call it?

POST https://payapi.market/house/agents/diagram-render. Send POST to the paid route with the example input and no payment header. The route answers HTTP 402 with the USDC price and the chain. Pay that challenge, then send the same request again with the payment.

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