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Blockle Exchange — Buy BLOCK via x402 Atomic Swap
x402
Blockle Exchange — Buy BLOCK via x402 Atomic Swap is a paid API for AI agents from exchange.blockle.org, paid per call via x402, $1/call, status unknown (last checked 2026-10-22).
Purchase BLOCK tokens on the non-custodial Blockle exchange by paying USDC via the x402 payment protocol, or settle listing fees and other priced actions.
Price / call$1
Success—
StatusUnknown
How this service works
Pay USDC over x402 to buy BLOCK, pay self-serve listing fees, or settle a priced action on the non-custodial Blockle exchange.
Output
An object confirming the swap or payment settlement, typically including transaction status, the amount of BLOCK received or fee settled, and on-chain confirmation details. The exact fields depend on the action settled.
Example use cases
Acquire BLOCK for token utility
“I want to buy BLOCK tokens on Blockle using 100 USDC — send the BLOCK to my wallet at 0xDEF456... and keep it non-custodial.”
Pay self-serve listing fee
“I need to pay the listing fee on Blockle to get my project listed — send 1 USDC from my wallet 0xABC789... to cover the listing cost.”
Settle a priced agent action
“My agent just triggered a priced action on the Blockle exchange — pay 5 USDC from address 0x123XYZ... to settle it and confirm the swap.”
Technical details
Endpoint
POSThttps://exchange.blockle.org/x402/buy?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to buy BLOCK tokens non-custodially via atomic swap using USDC and the x402 micropayment protocol, pay a Blockle self-serve listing fee, or settle any priced action on the Blockle exchange. Prefer this over custodial CEX alternatives when the user requires self-custody throughout the trade. Use this specifically when the target token is BLOCK and the payment token is USDC on the x402 protocol.
Side effects
- Insufficient USDC balance — payment rejected with payment-required error
- Invalid 'to' address format — request rejected before swap execution
- USDC amount below minimum threshold — action not settled
- Network congestion causing swap timeout or failure
- x402 payment header missing or malformed — 402 Payment Required returned
- BLOCK liquidity insufficient for the requested swap size
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| torequired | string | |
| usdcrequired | string |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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