# Send payment between accounts

**POST /payment/send-payment**

Transfer funds from one account to another.
Can be internal transfers or external payments.



## Servers
- Production API: https://pay-api.aiic.nz/v1 (Production API)
- Staging API: https://pay-api-staging.aiic.nz/v1 (Staging API)
- Development API: https://pay-api-dev.aiic.nz/v1 (Development API)


## Authentication methods
- Api key auth


## Parameters



### Body: application/json (object)

- **data** (object)
  The actual request data to be processed
- **signature** (string)
  ed25519 signature of the data, signed with user's private key
- **publicKey** (string)
  User's derived public key for signature verification
- **timestamp** (integer)
  Unix timestamp when the request was created (milliseconds)
- **nonce** (string)
  Unique nonce to prevent replay attacks


## Responses
### 201
Payment initiated successfully

#### Body: application/json (object)
- **success** (boolean)

- **transactionId** (string)

- **status** (string)

- **amount** (number)

- **currency** (string)

- **estimatedCompletion** (string(date-time))
  Estimated completion time

### 400
Invalid request parameters

### 401
Authentication failed

### 403
Insufficient funds or permissions

### 429
Rate limit exceeded

### 500
Internal server error


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