API：个人信用分API接口接入方法与加密调用流程全解析

curl -X POST "https://api.tianyuanapi.com/api/v1/JRZQ0L85?t=1730457600000" \
-H "Content-Type: application/json" \
-H "Access-Id: your_access_id_here" \
-d '{
  "data": "Base64EncodedEncryptedDataHere"
}'

{
  "mobile_no": "13800001111",
  "id_card": "110101199001012345",
  "name": "张三"
}

import requests
import base64
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
import os
import json
import time

# ==========================
# AES加密占位函数
# ==========================
def encrypt_data(data, access_key):
    """
    使用AES-128-CBC加密请求数据
    :param data: 字典形式的请求参数
    :param access_key: 16字节密钥（Access Key）
    :return: Base64编码后的字符串
    """
    json_data = json.dumps(data, ensure_ascii=False).encode('utf-8')
    iv = os.urandom(16)  # 随机IV
    cipher = AES.new(access_key.encode('utf-8'), AES.MODE_CBC, iv)
    encrypted = cipher.encrypt(pad(json_data, AES.block_size))
    encrypted_with_iv = iv + encrypted
    return base64.b64encode(encrypted_with_iv).decode('utf-8')

# ==========================
# AES解密占位函数
# ==========================
def decrypt_data(encrypted_data, access_key):
    """
    解密Base64加密响应数据
    """
    data_bytes = base64.b64decode(encrypted_data)
    iv = data_bytes[:16]
    cipher_text = data_bytes[16:]
    cipher = AES.new(access_key.encode('utf-8'), AES.MODE_CBC, iv)
    decrypted = unpad(cipher.decrypt(cipher_text), AES.block_size)
    return decrypted.decode('utf-8')

# ==========================
# 调用接口
# ==========================
def call_credit_score_api():
    url = f"https://api.tianyuanapi.com/api/v1/JRZQ0L85?t={int(time.time()*1000)}"
    headers = {
        "Access-Id": "your_access_id_here",
        "Content-Type": "application/json"
    }
    access_key = "your_16byte_key"

    # 原始参数
    payload = {
        "mobile_no": "13800001111",
        "id_card": "110101199001012345",
        "name": "张三"
    }

    try:
        encrypted_data = encrypt_data(payload, access_key)
        response = requests.post(url, headers=headers, json={"data": encrypted_data})
        response_json = response.json()

        if response_json.get("code") == 0:
            decrypted_data = decrypt_data(response_json["data"], access_key)
            print("解密结果：", decrypted_data)
        else:
            print("接口调用失败：", response_json.get("message"))

    except Exception as e:
        print("调用异常：", str(e))

# 运行调用
if __name__ == "__main__":
    call_credit_score_api()

{
  "code": 0,
  "message": "业务成功",
  "transaction_id": "20251102123456789",
  "data": {
    "score_120_General": "480"
  }
}