the402 endpoint detail

← All endpoints

api.carbon-cashmere.de kaspa-derivatives supply-trend

https://api.carbon-cashmere.de/v1/kaspa-derivatives/supply-trend

payable

Kaspa circulating supply over time + emission rate + percent-mined. Captures accelerating geometric halving schedule. AI agent API for tokenomics tracking and supply-emission models. Informational research data — not investment advice.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.03
Network
base
Pay to
0xf8b2dD46542175AD46e14e6133340E652665F2Ee
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
136 ms
Payment options
7 usable of 7
Last checked
2026-08-10T09:16:28.869Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.carbon-cashmere.de%2Fv1%2Fkaspa-derivatives%2Fsupply-trend"