Nutrition Intelligence API

https://nutrition.hugen.tokyo

● down api-examples

USDA FoodData Central nutrition data for AI agents. Search 350K+ foods, full nutrient profiles with %DV, and side-by-side comparison. Macros, vitamins, minerals categorized. $0.01 USDC per call on Base. [llms.txt](https://nutrition.hugen.tokyo/llms.txt)

Quality grade

How grading works

E 0.0 / 100 capped at D while down

Availability 0.0 / 40

Endpoint did not respond

Payability 0.0 / 20

✗ Answers a real HTTP 402 challenge
✗ Publishes a /.well-known/x402 descriptor
✗ Payment address on record
✗ Settlement network declared
✗ Price declared

Demand 0.0 / 40

No payment address on record, so demand cannot be measured

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 11 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://nutrition.hugen.tokyo

Listed in

Directories this entry was found in.

awesome-x402