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Accelerometer Snapshot by Date
x402
Accelerometer Snapshot by Date is a paid API for AI agents from x402-accelerometer-feed.fly.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-19).
Retrieves a specific historical dated snapshot of 129 AI-progress and technology time series including benchmark scores, compute trends, AGI prediction markets, model pricing, AI stocks, energy, space, robotics, and research output.
Price / call$0.005
Success—
StatusUnknown
How this service works
A specific dated snapshot (YYYY-MM-DD, ids listed free at /) of the 129-series AI-progress and technology pull: frontier benchmark scores, compute trends, AGI prediction-market odds, model pricing, AI stocks, energy, space, robotics, research output. Same per-source shape as /feed (latest, previous, % change, source URL). Use it to compare dates yourself, or call /delta to get the comparison computed. No composite score. Unknown id -> 404.
Output
Returns a structured snapshot object containing schema version, snapshot ID (YYYY-MM-DD), run timestamp, number of sources (up to 129), and an array of per-source records. Each source record includes metric name, domain, unit, latest value, latest date, previous value, previous date, percent change vs previous, signal quality (strong/moderate/weak/noisy), confidence, cadence, number of data points, and source URL. No composite cross-source score is provided. Returns 404 if the snapshot ID is not found.
Example use cases
Historical AI benchmark comparison
“Get me the Accelerometer snapshot from 2024-06-01 — I want to see what the frontier benchmark scores and model pricing looked like on that date so I can compare it to today.”
Tracking AGI prediction market odds over time
“Fetch the Accelerometer snapshot for 2024-09-20 so I can check what the AGI prediction-market odds were on that day and how they compare to a later date.”
Researching historical compute trends
“Pull the Accelerometer data snapshot dated 2023-12-01 — I need to see the compute trends and research output metrics from that point in time for a retrospective analysis.”
Technical details
Endpoint
GEThttps://x402-accelerometer-feed.fly.dev/snapshots/:idWhen to prefer
Use this endpoint when you need data from a specific historical date rather than the current latest snapshot. Prefer this over /feed when performing date-specific analysis or building a custom comparison between two dates manually. Use /delta instead if you want the system to compute the difference between two snapshots automatically. This endpoint is ideal for time-travel queries, historical audits, or populating a timeline of AI progress metrics.
Side effects
- 404 if the snapshot ID (date) does not exist in the registry — valid IDs are listed at GET /
- Malformed date format in path parameter causes request failure
- Network or payment processing failure returns non-200 response
- Stub snapshots may have incomplete source arrays
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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