api.carbon-cashmere.de/v1/bittensor-derivatives/registration-cost-history

api.carbon-cashmere.de · x402

Hourly Bittensor subnet registration activity (NeuronRegistered event count per subnet) + current burn-cost per subnet. Useful for predicting cheap-registration windows.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 08:27 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

1 wallet paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Connect

https://api.carbon-cashmere.de/v1/bittensor-derivatives/registration-cost-history

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 06:01 UTC
Wallets named: 0xf8b2dd46542175ad46e14e6133340e652665f2eenamed by x402 Bazaar
Listed since: 25 Oct 2026, 17:53 UTC

Payments

different wallets paid it, last 30 days: 1
paid calls, last 30 days: 1
last paid call (UTC): 10 Oct, 08:30

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 06:01 UTC. addrbook has not counted these payments itself.

How it asks to be paid

Network	Price	Paid in	Settled by	Pays to
Base	$0.02	USDC	Per request	0xf8b2dd46542175ad46e14e6133340e652665f2ee
Polygon	$0.02	USDC	Per request	0xf8b2dd46542175ad46e14e6133340e652665f2ee
Arbitrum	$0.02	USDC	Per request	0xf8b2dd46542175ad46e14e6133340e652665f2ee
World Chain	$0.02	USDC	Per request	0xf8b2dd46542175ad46e14e6133340e652665f2ee
Solana	$0.02	USDC	Per request	GgS891nMiEETjBEFw1QQxVcAqsRV34mDYpxh24TrpCiD
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=	20000smallest units	A tokennot a Circle contract	Per request	5GRGZVUNRF2S4BY2TNRBCUCKUOT3H6BP56ACPCZVGR3ISTTRRSSB2RGJGI
Stellar	200000smallest units	A tokennot a Circle contract	Per request	GDYFWCUFLG7MZAITOOVITYDNCLVJXWJ7OASYJAJPPOTONUQRNBCRO2VP

From its own 402 answer at 26 Oct, 08:27 UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
api.carbon-cashmere.de	x402	Live	26 Oct, 08:27	26 Oct, 08:27	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

api.carbon-cashmere.de