curl --request POST \
  --url https://api.example.com/v1/institutions/{institutionId}/return-file/{id}/resolve-transmission \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": "probe_now",
  "reason": "Lerian STA unavailable since 14:00; response deadline at 19:00",
  "transferId": "eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee"
}
'

package main

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

func main() {

	url := "https://api.example.com/v1/institutions/{institutionId}/return-file/{id}/resolve-transmission"

	payload := strings.NewReader("{\n  \"action\": \"probe_now\",\n  \"reason\": \"Lerian STA unavailable since 14:00; response deadline at 19:00\",\n  \"transferId\": \"eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee\"\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({
    action: 'probe_now',
    reason: 'Lerian STA unavailable since 14:00; response deadline at 19:00',
    transferId: 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
  })
};

fetch('https://api.example.com/v1/institutions/{institutionId}/return-file/{id}/resolve-transmission', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/v1/institutions/{institutionId}/return-file/{id}/resolve-transmission"

payload = {
    "action": "probe_now",
    "reason": "Lerian STA unavailable since 14:00; response deadline at 19:00",
    "transferId": "eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "outcome": "reconciled_by_list",
  "transferId": "eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee"
}

{
  "code": "<string>",
  "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",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "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",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "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",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}