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Configuration Parameters

Pass the following query parameters into the iframe’s src URL to configure the widget. Sandbox Base URL: https://pay.capybera.xyz
ParameterTypeRequiredDescription
themestringOptionallight or dark interface. Default: dark.
langstringOptionalLanguage: en or vi. Default: en.
walletstringOptionalUser wallet address to receive assets.
methodstringOptionalbuy or sell. Default: buy.
token_addressstringOptionalToken address of the payment token. See Supported Chains & Tokens.
chain_idnumberOptionalBlockchain network ID. See Supported Chains & Tokens.
amountnumberOptionalAmount of the payment token.
bin_codenumberOptionalBIN code (only applicable when method=sell).
bank_account_numbernumberOptionalBank account number to receive funds (only applicable when method=sell).
pkstringOptionalPartner app key provided by Holdstation.
reference_nostringOptionalReference order number for partner tracking.
signaturestringOptionalEd25519 signature for request validation.

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Examples

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Buy Flow

https://pay.capybera.xyz/?wallet=0x0A24a21949b4eB8b7F434487fE31CA7b96148A4E&theme=dark&method=buy&token_address=0x8d0d000ee44948fc98c9b98a4fa4921476f08b0d&chain_id=56

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Sell Flow

https://pay.capybera.xyz/?wallet=0x0A24a21949b4eB8b7F434487fE31CA7b96148A4E&theme=dark&method=sell&token_address=0x8d0d000ee44948fc98c9b98a4fa4921476f08b0d&chain_id=56&bin_code=970423&bank_account_number=03815492701

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Supported Chains & Tokens

Use the public endpoint to retrieve the full list of supported chain IDs and token addresses:
MethodURLAuthentication
GEThttps://pay-api.holdstation.com/api/v1/tokensNot required
Example Response: 
[
  {
    "id": "d696d87f-8f41-4cee-9a90-4e99f7df4851",
    "chain_id": 1,
    "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "name": "Tether USD",
    "symbol": "USDT",
    "decimals": 6,
    "name_override": "Tether USD (ETH)",
    "active": true
  },
  {
    "id": "ba8618c3-fadb-4d9d-b75f-f14e6acd6110",
    "chain_id": 56,
    "address": "0x55d398326f99059ff775485246999027b3197955",
    "name": "Tether USD",
    "symbol": "USDT",
    "decimals": 18,
    "name_override": "Tether USD (BSC)",
    "active": true
  }
]