InputPOST /api/v1/x402/json-keys
{
"json_text": "{\"agent\":\"delx\",\"ready\":true}"
}
Web and API intelligence · utility
List top-level JSON keys. Call when agents must discover object shape without full schema inference. Returns top-level keys of a JSON object. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.
One-command purchase
No account or API key. AgentCash reads the 402 challenge, pays no more than the declared cap, retries the request and returns the result.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/json-keys -m POST -H 'x-delx-source: product-page' --max-amount 0.001 -b '{"json_text":"{\"agent\":\"delx\",\"ready\":true}"}'
{
"json_text": "{\"agent\":\"delx\",\"ready\":true}"
}
{
"schema": "delx/json-keys/v1",
"keys": [
"agent",
"ready"
],
"count": 2
}
Machine-readable evidence