curl --request PATCH \
  --url https://api.bachs.io/v1/customers/{customer_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "jane.new@example.com",
  "metadata": {
    "plan": "enterprise"
  }
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({email: 'jane.new@example.com', metadata: {plan: 'enterprise'}})
};

fetch('https://api.bachs.io/v1/customers/{customer_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.bachs.io/v1/customers/{customer_id}"

payload = {
    "email": "jane.new@example.com",
    "metadata": { "plan": "enterprise" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.bachs.io/v1/customers/{customer_id}"

	payload := strings.NewReader("{\n  \"email\": \"jane.new@example.com\",\n  \"metadata\": {\n    \"plan\": \"enterprise\"\n  }\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "customer_id": "cust_1a2b3c4d5e6f7g8h",
  "email": "ada@example.com",
  "name": "Ada Lovelace",
  "phone_number": "+2348012345678",
  "metadata": {
    "tier": "vip"
  },
  "billing_address": {
    "line1": "40 Yaba Road",
    "line2": null,
    "city": "Lagos",
    "state": "Lagos",
    "postal_code": "101245",
    "country": "NG"
  },
  "created_at": "2026-07-13T14:00:00.000Z",
  "updated_at": "2026-07-13T14:00:00.000Z"
}

{
  "detail": "Invalid request parameters",
  "error_code": "VALIDATION_ERROR",
  "errors": [
    {
      "field": "amount",
      "message": "Amount must be a positive decimal string",
      "type": "value_error"
    }
  ]
}

{
  "detail": "Invalid API key",
  "error_code": "UNAUTHORIZED"
}

{
  "detail": "API key does not have permission for this operation",
  "error_code": "FORBIDDEN"
}

{
  "detail": "Resource not found",
  "error_code": "NOT_FOUND"
}

{
  "detail": "Rate limit exceeded. Please retry after a few seconds.",
  "error_code": "TOO_MANY_REQUESTS"
}

{
  "detail": "An unexpected error occurred. Please try again later.",
  "error_code": "INTERNAL_SERVER_ERROR"
}