Example inputPOST /api/v1/x402/rot13
{
"text": "Agent workflow"
}
Portable intent card · utility
Apply reversible ROT13 to Latin letters while preserving numbers, punctuation, spacing, and letter case for $0.001 USDC. Use it for deterministic fixture decoding, obfuscation compatibility, or legacy text workflows up to 100,000 characters. The first-party transform runs locally with no network call, storage, key, or retention.
Intent to transaction
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/rot13 -m POST -H 'x-delx-source: intent-card-rot13-api' --max-amount 0.001 -b '{"text":"Agent workflow"}'
{
"text": "Agent workflow"
}
{
"intent": "ROT13 for an agent workflow",
"tool_name": "util_rot13",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/rot13-api.json"
}
Portable and inspectable