Example inputPOST /api/v1/x402/replace-background
{
"image_base64": "<base64 still>",
"fill": "#112233"
}Portable intent card · image
Background replacement API for agents
Replace one bounded image background with studio gray or #RRGGBB for $0.003 and receive an opaque PNG plus receipt.
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/replace-background -m POST -H 'x-delx-source: intent-card-background-replacement-api' --max-amount 0.003 -b '{"image_base64":"<base64 still>","fill":"#112233"}'Agent discoverydelx/intent-card/v1
{
"intent": "replace a product image background with studio gray or a solid color",
"tool_name": "replace_background",
"price_usdc": "0.003",
"machine_url": "https://commerce.delx.ai/intents/background-replacement-api.json"
}Portable and inspectable