Example inputPOST /api/v1/x402/ext-from-mime
{
"mime": "image/png"
}Portable intent card · web-api-intelligence
Ext From MIME API for agents
Guess extension from MIME type. Call when you name agent-generated files from content-type. Returns ext, mime, known for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
Intent to transaction
One command, attributed.
The source header follows this discovery route through challenge, payment and delivery without exposing the buyer or request body.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/ext-from-mime -m POST -H 'x-delx-source: intent-card-ext-from-mime-api' --max-amount 0.001 -b '{"mime":"image/png"}'Agent discoverydelx/intent-card/v1
{
"intent": "Ext From MIME for an agent workflow",
"tool_name": "util_ext_from_mime",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/ext-from-mime-api.json"
}Portable and inspectable