Evidence Compare

Last 30 days

Uptime

100%

Response time

175 ms typical, 175 ms slowest 5%

Last check

1 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://vennatta-core.onrender.com/api/v1/evidence/compare" \
  -H "content-type: application/json" \
  -d '{"comparison_type":"auto","current_text":"Enterprise plans are billed annually.","previous_text":"Enterprise plans are available monthly.","source_url":"https://example.com/pricing"}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fvennatta-core.onrender.com%2Fapi%2Fv1%2Fevidence%2Fcompare
const res = await pay("https://vennatta-core.onrender.com/api/v1/evidence/compare", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"comparison_type":"auto","current_text":"Enterprise plans are billed annually.","previous_text":"Enterprise plans are available monthly.","source_url":"https://example.com/pricing"}),
});
console.log(await res.json());

Example input

{
  "comparison_type": "auto",
  "current_text": "Enterprise plans are billed annually.",
  "previous_text": "Enterprise plans are available monthly.",
  "source_url": "https://example.com/pricing"
}

Example output

{
  "data": {
    "added_evidence": [
      "Enterprise plans are billed annually."
    ],
    "change_detected": true,
    "change_type": "pricing_change",
    "current_sha256": "example_current_sha256",
    "metadata": {
      "current_characters": 40,
      "previous_characters": 39,
      "processing_ms": 1
    },
    "previous_sha256": "example_previous_sha256",
    "removed_evidence": [
      "Enterprise plans are available monthly."
    ],
    "schema_version": "vennatta.evidence-event.v0.1",
    "source_url": "https://example.com/pricing",
    "summary": "Detected a normalized text change in the submitted versions."
  },
  "status": "success"
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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