curl --request POST \
  --url https://matcher.sandbox.lerian.net/v1/imports/formats/templates \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "discriminatorLength": 1,
  "discriminatorStart": 0,
  "family": "cnab400",
  "records": [
    {
      "fields": [
        {
          "kind": "decimal",
          "length": 12,
          "name": "amount",
          "startByte": 11
        }
      ],
      "recordType": "1",
      "width": 33
    }
  ],
  "region": "BR",
  "variant": "acme-cobranca",
  "requiredFields": [
    "<string>"
  ]
}
'

package main

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

func main() {

	url := "https://matcher.sandbox.lerian.net/v1/imports/formats/templates"

	payload := strings.NewReader("{\n  \"discriminatorLength\": 1,\n  \"discriminatorStart\": 0,\n  \"family\": \"cnab400\",\n  \"records\": [\n    {\n      \"fields\": [\n        {\n          \"kind\": \"decimal\",\n          \"length\": 12,\n          \"name\": \"amount\",\n          \"startByte\": 11\n        }\n      ],\n      \"recordType\": \"1\",\n      \"width\": 33\n    }\n  ],\n  \"region\": \"BR\",\n  \"variant\": \"acme-cobranca\",\n  \"requiredFields\": [\n    \"<string>\"\n  ]\n}")

	req, _ := http.NewRequest("POST", 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))

}

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    discriminatorLength: 1,
    discriminatorStart: 0,
    family: 'cnab400',
    records: [
      {
        fields: [{kind: 'decimal', length: 12, name: 'amount', startByte: 11}],
        recordType: '1',
        width: 33
      }
    ],
    region: 'BR',
    variant: 'acme-cobranca',
    requiredFields: ['<string>']
  })
};

fetch('https://matcher.sandbox.lerian.net/v1/imports/formats/templates', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://matcher.sandbox.lerian.net/v1/imports/formats/templates"

payload = {
    "discriminatorLength": 1,
    "discriminatorStart": 0,
    "family": "cnab400",
    "records": [
        {
            "fields": [
                {
                    "kind": "decimal",
                    "length": 12,
                    "name": "amount",
                    "startByte": 11
                }
            ],
            "recordType": "1",
            "width": 33
        }
    ],
    "region": "BR",
    "variant": "acme-cobranca",
    "requiredFields": ["<string>"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "createdAt": "2025-01-15T10:30:00Z",
  "discriminator": {
    "length": 1,
    "startByte": 0
  },
  "formatKey": "br/cnab400/acme-cobranca",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "recordTypeCount": 1,
  "recordWidths": {},
  "records": [
    {
      "fields": [
        {
          "kind": "decimal",
          "length": 12,
          "name": "amount",
          "startByte": 11
        }
      ],
      "recordType": "1",
      "width": 33
    }
  ],
  "requiredFields": [
    "<string>"
  ],
  "variantKey": "acme-cobranca"
}

{
  "code": "ERR-0001",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example"
}