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Accelerometer AI Progress Historical Snapshot
x402
Accelerometer AI Progress Historical Snapshot 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 2026-09-18).
Returns a dated snapshot of 129 AI-progress and technology time series (benchmarks, compute, predictions, pricing, stocks, energy, etc.) as they stood on a specific past date.
Price / call$0.005
Success—
StatusUnknown
How this service works
Use this when you need AI progress as it stood on a past date: the reading of the same 129 series (benchmarks, compute, AGI prediction-market odds, model pricing, AI stocks, energy, space, robotics, research output) taken on YYYY-MM-DD. Dated ids are listed free at /. Same per-series shape as /ai-progress/latest, so you can diff dates yourself; /ai-progress/what-changed does the diff for you. Unknown id -> 404.
Output
A JSON object containing a dated snapshot (snapshot_id = YYYY-MM-DD) of up to 129 AI-progress and technology time series. Each series entry includes: series ID, metric name, domain, unit, latest value as of that date, latest_date, previous value and date, delta percentage vs previous, confidence level, signal quality (strong/moderate/weak/noisy), number of data points, source URL, and access metadata. Also includes run timestamp, total source count, and schema version.
Example use cases
Year-over-year AI benchmark comparison
“Get me the Accelerometer AI-progress snapshot from 2023-06-01 so I can compare frontier benchmark scores and compute metrics against today's readings and see how much things have changed.”
Historical AGI market odds research
“What were the AGI prediction-market odds and frontier model pricing in the Accelerometer feed on 2024-03-01? I'm writing a report on how AI expectations have shifted.”
Audit AI progress at a past milestone
“Fetch the Accelerometer reading for 2023-01-01 — I want a full snapshot of all 129 series including benchmarks, robotics, and energy metrics as they stood at the start of last year.”
Technical details
Endpoint
GEThttps://x402-accelerometer-feed.fly.dev/ai-progress/as-of/:idWhen to prefer
Use this endpoint when you need a point-in-time historical snapshot of AI progress metrics rather than the current state. It is the right choice when you want to compare AI benchmarks, compute, pricing, or market signals between two dates, audit AI progress at a past milestone, or feed historical data into a trend analysis. Use /ai-progress/latest instead if you only need current data, and /ai-progress/what-changed if you want a pre-computed diff between two snapshots.
Side effects
- 404 if the requested date ID is not in the registry (only listed dated IDs are valid — retrieve valid IDs from GET /)
- Payment failure if x402 USDC payment of $0.005 is not completed
- Malformed date format returns error (must be YYYY-MM-DD)
- Network timeout on the fly.dev host
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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