curl --request POST \
  --url http://localhost:4005/v1/templates/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "Total: {{ ledger.accounts.0.balance }}",
  "outputFormat": "Html",
  "sampleData": {}
}
'

package main

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

func main() {

	url := "http://localhost:4005/v1/templates/preview"

	payload := strings.NewReader("{\n  \"content\": \"Total: {{ ledger.accounts.0.balance }}\",\n  \"outputFormat\": \"Html\",\n  \"sampleData\": {}\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({
    content: 'Total: {{ ledger.accounts.0.balance }}',
    outputFormat: 'Html',
    sampleData: {}
  })
};

fetch('http://localhost:4005/v1/templates/preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:4005/v1/templates/preview"

payload = {
    "content": "Total: {{ ledger.accounts.0.balance }}",
    "outputFormat": "Html",
    "sampleData": {}
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "contentType": "text/html",
  "durationMs": 12,
  "rendered": "Total: 1500.00",
  "warnings": [
    "<string>"
  ]
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "body.templateId",
      "message": "expected string to match 'uuid' format",
      "value": "not-a-uuid"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}