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tensorfeed.ai research velocity
https://tensorfeed.ai/api/premium/research/velocity
answers 402
Per-institution AI research publication velocity. 30-day window vs 365-day baseline with direction classification, notable movers, plus by-country and by-affiliation-type breakdowns. OpenAlex CC0. The "which AI labs are accelerating" feed.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 13 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:31:27.288Z (2d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftensorfeed.ai%2Fapi%2Fpremium%2Fresearch%2Fvelocity"