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GDELT News Sentiment Timeline API
x402
GDELT News Sentiment Timeline API is a paid API for AI agents from gdelt-x402-api.planbdj.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Returns a day-by-day sentiment tone timeline for a given news topic using GDELT global news data
Price / call$0.02
Success—
StatusUnknown
How this service works
AI-friendly JSON API for global news intelligence. Built on GDELT (free public source), optimized for AI agents — clean responses, 5 use-case endpoints, parallel-aggregated entity graphs, no rate limits, no API keys. Pay-per-query in USDC on Base mainnet via x402.
Output
A JSON object containing the queried topic, the requested timespan, and an array of daily data points each with a UTC date and an average GDELT tone score (negative values indicate negative sentiment, positive values indicate positive sentiment).
Example use cases
Geopolitical crisis media monitoring
“Show me the daily sentiment trend for news about 'Gaza' over the last 7 days — I want to see if coverage tone has been getting more negative or stabilizing.”
Brand reputation tracking
“Get me a sentiment timeline for 'Tesla' in the news over the past 14 days — I need to know if the average tone of coverage has been improving since last week's announcement.”
Macro event sentiment analysis
“What's the GDELT sentiment trend for 'Federal Reserve' news over the last 7 days? I want to see the day-by-day average tone leading up to the rate decision.”
Technical details
Endpoint
POSThttps://gdelt-x402-api.planbdj.workers.dev/news/sentimentWhen to prefer
Choose this endpoint when you need a quantified, day-by-day sentiment trend for a specific news topic using a global, multi-source news corpus. It is ideal for macro-level media monitoring, geopolitical sentiment tracking, or brand reputation trends where you want a time series of tone rather than individual article content. Prefer it over social-media sentiment APIs when journalistic sourcing and global coverage breadth matter, and over full-text news APIs when you only need the aggregated emotional signal rather than article bodies.
Side effects
- Topic string too vague — returns flat or noisy tone values with little signal
- Timespan parameter malformed or unsupported — may return error or empty timeline
- No GDELT coverage for topic in the requested period — empty timeline array
- Network timeout on GDELT upstream aggregation — transient 5xx error
- Payment failure or insufficient USDC balance — 402 or authorization error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"topic": "ukraine",
"timeline": [
{
"date": "2026-04-30T00:00:00",
"avg_tone": -2.1
}
],
"timespan": "7d"
}
}Tags
x402
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