Payins

What is a payin?

A payin is an operation that moves funds from the sender's bank account to the receiver's blockchain wallet.

The payin can only be executed if a payin quote was created previously, and you have 5 minutes to initiate the payin before the quote expires.

Development vs production instance

On development instances all the payins are going to be automatically paid 30 seconds after initiation.

On production, these are the times that the system will wait for the payment to arrive:

Initiating a payin process

You can check the required fields in the BlindPay API Docs.

Before creating a payin, you need to:

1. Create an account on BlindPay

curl https://api.blindpay.com/v1/instances/in_000000000000/payins/evm \
  --request POST \
  --header 'Content-Type: application/json' \
  --header 'Authorization: Bearer YOUR_SECRET_TOKEN' \
  --data '{
  "payin_quote_id": "pq_000000000000"
}'

Blockchain Network Support

BlindPay supports payins on multiple blockchain networks:

• EVM Chains: Ethereum, Polygon, Base, Arbitrum (USDC, USDT)
• Stellar: Stellar mainnet and testnet (USDC)
• Solana: Solana mainnet and devnet (USDC, USDT)

When you create a blockchain wallet with a Solana address, BlindPay will automatically detect the network type and handle the token transfer accordingly once the fiat payment is confirmed.

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Testing scenarios

By default all the payins are automatically completed in 'development' instances, but you can force 'refund' and 'failed' scenarios by adding specific values to the payin amount.