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21.cash Payment Link - Aura Rewards
x402
21.cash Payment Link - Aura Rewards is a paid API for AI agents from 21.cash, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Retrieves a payment link for a specific 21.cash address, directing 50% of proceeds to Aura Rewards
Price / call$0.1
Success—
StatusUnknown
How this service works
50% to Aura Rewards
Output
Returns payment link details for the specified wallet address on 21.cash, including the payment configuration where 50% of proceeds go to Aura Rewards. Response schema is minimal/undocumented.
Example use cases
Resolve wallet payment link details
“Hey, can you look up the 21.cash payment link for 0x3fA4B72de9C3d475d6F3c2e8B1a9D5e6F7c8b2A1? I want to see how it's configured and confirm the Aura Rewards split is set up correctly.”
Share crypto payment link with customer
“I need to send a payment link to a client so they can pay me in USDC — can you grab the 21.cash payment link for my wallet address 0x8c913b70Db8FAcDAdc37BC2530559DBE879b95b5 and give me the URL I can share with them?”
Verify micropayment link before integration
“Before I wire up this x402 micropayment flow, can you fetch the 21.cash payment link for address 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9b and confirm all the payment details and reward splits look right?”
Technical details
Endpoint
GEThttps://21.cash/api/links/0x8c913b70Db8FAcDAdc37BC2530559DBE879b95b5When to prefer
Use this endpoint when you need to retrieve an existing 21.cash payment link associated with a specific Ethereum wallet address, particularly one configured with Aura Rewards splits. Best suited for agents operating in x402 micropayment ecosystems needing to resolve payment link metadata for a known address.
Side effects
- Invalid or unknown wallet address returns empty or error response
- Payment link not found for given address
- Rate limiting or payment gateway failure after $0.1 USDC toll
- Network timeout reaching 21.cash API
- Empty response schema means unpredictable output structure
Input
{
"address": "0x8c913b70Db8FAcDAdc37BC2530559DBE879b95b5"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"content": {
"name": "50% to Aura Rewards",
"amount": 100000,
"chainId": 8453,
"chainName": "Base",
"description": "test payment link that sends 50% to aura rewards multisig",
"routerAddress": "0x8c913b70Db8FAcDAdc37BC2530559DBE879b95b5"
},
"message": "Payment successful! Thank you for your business.",
"receipt": {},
"success": true
}Schema · Response
{}Tags
x402
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