Buy API

The Buy API endpoint executes a token purchase on the Solana blockchain. It calculates the necessary transaction amounts, applies a custom priority fee, ensures token accounts are created if required, signs the transaction, and returns the transaction signature.

Endpoint Details

• Method: POST
• URL: https://api.pumpfunapis.com/api/buy

Request Body

Example Request Body

{
  "private_key": "PRIVATE_KEY", // Please use a BURNER trading wallet
  "mint": "Token_CA", // Mint Address
  "sol_in": 1.0, // Amount in SOL (e.g., 1.0 SOL)
  "slippage": 25, // Default Slippage (percentage, e.g., 25 for 25%)
  "priorityFee": 0.002, // Priority fee in SOL (e.g., 0.002 SOL)
  "rpc": null // Custom RPC endpoint, leave blank for default
}

Example Usage

Curl Example

cURL Example

curl --location --request POST 'https://api.pumpfunapis.com/api/buy' \
--header 'Content-Type: application/json' \
--data-raw '{
    "private_key": "PRIVATE_KEY",
    "mint": "Token_CA",
    "sol_in": 1.0,
    "slippage": 25,
    "priorityFee": 0.002,
    "rpc": null
}'

Python Example

Python Example

import requests

def buy_token():
    url = "https://api.pumpfunapis.com/api/buy"
    payload = {
        "private_key": "PRIVATE_KEY",
        "mint": "Token_CA",
        "sol_in": 1.0,
        "slippage": 25,
        "priorityFee": 0.002,
        "rpc": None
    }
    headers = {"Content-Type": "application/json"}

    response = requests.post(url, json=payload, headers=headers)

    if response.status_code == 200:
        print("Transaction Signature:", response.json().get("tx_signature"))
    else:
        print("Failed to execute buy transaction:", response.text)

buy_token()

JavaScript Example

JavaScript Example

const fetch = require('node-fetch');

const buyToken = async () => {
  const response = await fetch('https://api.pumpfunapis.com/api/buy', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      private_key: 'PRIVATE_KEY',
      mint: 'Token_CA',
      sol_in: 1.0,
      slippage: 25,
      priorityFee: 0.002,
      rpc: null,
    }),
  });

  if (!response.ok) {
    throw new Error('Failed to execute buy transaction');
  }

  const data = await response.json();
  console.log('Transaction Signature:', data.tx_signature);
};

buyToken().catch(console.error);

Response

Successful Response

200 OK

{
  "status": "success",
  "tx_signature": "5ba4sCas...."
}

Notes

• Ensure that the private_key used is from a secure burner wallet.
• Use appropriate slippage settings to avoid failed transactions.