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twentyonemillion.art x402 claim
https://twentyonemillion.art/api/x402/claim
answers 402
One permanent square on twentyone-million, $1 USDC on Base (one per wallet). Want it? Retry this request with a signed payment and the square mints in the response. Pass ?handle= and ?message=. Live: 5 of 21,000 squares claimed, 20,995 open. A novelty collectible — not a token, not an investment.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $1.00
- Network
- base
- Pay to
- 0xF47E84caF47bB85E16c08d6140435882815502eE
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 750 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:26:47.241Z (7d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftwentyonemillion.art%2Fapi%2Fx402%2Fclaim"