curl --request GET \
  --url https://sandbox.api.fin.com/v1/transactions/{transaction_id} \
  --header 'Authorization: Bearer <token>'

const url = 'https://sandbox.api.fin.com/v1/transactions/{transaction_id}';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.get("https://sandbox.api.fin.com/v1/transactions/{transaction_id}")
  .header("Authorization", "Bearer <token>")
  .asString();

import requests

url = "https://sandbox.api.fin.com/v1/transactions/{transaction_id}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

package main

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

func main() {

	url := "https://sandbox.api.fin.com/v1/transactions/{transaction_id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

{
  "data": {
    "id": "7f0124cd-6845-47d3-8b39-43f80cd50274",
    "transaction_type": "OFFRAMP",
    "customer_id": null,
    "beneficiary_id": "e6200609-1ebb-41bb-a4d3-fd9e3bae8419",
    "hash": "796b21c4412f1208918cf744e38b62c95aa55674baf62a0a3b8b189c212d0b7e",
    "transaction_ref_id": "7f0124cd-6845-47d3-8b39-43f80cd50274",
    "from_amount": 1.1,
    "payout_amount": 94.919,
    "processing_amount": 1.1,
    "status": "COMPLETED",
    "fx_rate": 86.29,
    "developer_fee": 1.25495,
    "developer_fee_percentage": 0.45,
    "developer_fee_fixed": 1.25,
    "from_currency": "USD",
    "payout_currency": "INR",
    "virtual_account_id": null,
    "batch_info": null,
    "fiat_details": null,
    "crypto_details": null,
    "fees": null,
    "created_at": "2026-01-08T08:27:22.345304Z",
    "updated_at": "2026-01-08T08:27:33.76357Z"
  }
}

{
  "message": "Authentication failed"
}

{
  "error": {
    "code": "TRANSACTION_NOT_FOUND",
    "message": "The requested transaction could not be found"
  }
}

{
  "error": {
    "code": "INTERNAL_SERVER_ERROR",
    "message": "An unexpected error occurred while processing your request"
  }
}