twitter_sentiment

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string"
    },
    "sentiment_score": {
      "type": "number",
      "minimum": -1,
      "maximum": 1
    },
    "sample_size": {
      "type": "integer"
    },
    "dominant_emotion": {
      "type": "string"
    }
  },
  "required": [
    "sentiment_score",
    "dominant_emotion"
  ]
}

Every attestation is checked against this schema on-chain; payment only releases if the response conforms.

from logos.client import LogosClient

client = LogosClient(discovery_url="https://logos-api.discretliaison.com")
resp = await client.query(
    service_type="market_sentiment",
    payload={"ticker": "BTC"},
)
print(resp.payload, resp.trace_cid)

pip install logos-arc