Crypto news sentiment for one asset (BTC, ETH, SOL, HYPE, NEAR, AAVE and others;
Crypto news sentiment for one asset (BTC, ETH, SOL, HYPE, NEAR, AAVE and others; list at /sentiment): a -1..1 score with bearish/neutral/bullish label, counts of positive, negative and neutral headlines in the window, and up to 5 top headlines with source, link and stance. Headlines are labeled by a local LLM; the score is plain arithmetic. Refreshed about every 15 min. Unknown symbol 404, stale data 503, no charge. JSON. Free sample at /samples/sentiment. $0.002 USDC per call on Base.
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://cryptofeed402.site/sentiment/:symbol
| Category | Market data |
|---|---|
| Provider host | cryptofeed402.site |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.002 | 455 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"symbol": "BTC"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"symbol": {
"description": "Ticker, case-insensitive; available symbols are listed free at /sentiment",
"pattern": "^[A-Za-z0-9]{1,20}$",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"age_seconds": {
"type": "integer"
},
"counts": {
"properties": {
"n_headlines": {
"type": "integer"
},
"neg": {
"type": "integer"
},
"neu": {
"type": "integer"
},
"pos": {
"type": "integer"
}
},
"type": "object"
},
"disclaimer": {
"type": "string"
},
"generated_at": {
"description": "ISO 8601 UTC time the snapshot was computed",
"type": "string"
},
"label": {
"enum": [
"bearish",
"neutral",
"bullish"
],
"type": "string"
},
"method": {
"type": "string"
},
"model": {
"type": "string"
},
"score": {
"maximum": 1,
"minimum": -1,
"type": "number"
},
"symbol": {
"type": "string"
},
"top_headlines": {
"items": {
"properties": {
"source": {
"type": "string"
},
"stance": {
"enum": [
"pos",
"neg",
"neu"
],
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
},
"maxItems": 5,
"type": "array"
},
"window_minutes": {
"type": "integer"
}
},
"required": [
"symbol",
"score",
"label",
"counts",
"generated_at",
"age_seconds"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}