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Sentiment

by Oblique Markets in Markets & finance

x402 APIPassing, checked 4 h ago

Use when an agent needs a quick sentiment read on a passage, a headline or a topic before acting on it. Returns Sentiment label (positive, negative or neutral) with a confidence and a one-line summary for a text passage or a named topic. $0.05.

POST https://api.oblique.markets/api/v1/paid/sentiment

Last 30 days

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Uptime
100%
Response time
42 ms typical, 42 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.oblique.markets/api/v1/paid/sentiment" \
  -H "content-type: application/json" \
  -d '{"text":"Settlement volume on Base doubled this quarter while prices held.","topic":"agent payments"}'
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%2Fapi.oblique.markets%2Fapi%2Fv1%2Fpaid%2Fsentiment
const res = await pay("https://api.oblique.markets/api/v1/paid/sentiment", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"text":"Settlement volume on Base doubled this quarter while prices held.","topic":"agent payments"}),
});
console.log(await res.json());

Example input

{
  "text": "Settlement volume on Base doubled this quarter while prices held.",
  "topic": "agent payments"
}

Example output

{
  "analyzed_at": "2026-09-12T00:09:49.428Z",
  "input": "text",
  "message": "Sentiment analysis via x402 protocol",
  "model": "qwen/qwen3.7-flash",
  "sentiment": {
    "confidence": 0.85,
    "sentiment": "positive",
    "summary": "The agent economy experienced growth with doubled settlement volume on Base and stable prices."
  }
}

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Recent checks

WhenResultHTTPTimePrice
4 h agoPassed40242 ms$0.05