curl --request POST \
  --url https://lender.sandbox.lerian.net/api/v1/assignment/sets \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "fundId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "receivableRefs": [
    "<string>"
  ],
  "retainedFraction": "0",
  "sellerRetainsControl": false
}
'

package main

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

func main() {

	url := "https://lender.sandbox.lerian.net/api/v1/assignment/sets"

	payload := strings.NewReader("{\n  \"fundId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"receivableRefs\": [\n    \"<string>\"\n  ],\n  \"retainedFraction\": \"0\",\n  \"sellerRetainsControl\": false\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({
    fundId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    receivableRefs: ['<string>'],
    retainedFraction: '0',
    sellerRetainsControl: false
  })
};

fetch('https://lender.sandbox.lerian.net/api/v1/assignment/sets', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://lender.sandbox.lerian.net/api/v1/assignment/sets"

payload = {
    "fundId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "receivableRefs": ["<string>"],
    "retainedFraction": "0",
    "sellerRetainsControl": False
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "items": [
    {
      "assignmentPrice": "<string>",
      "assignmentRate": "<string>",
      "assignorRef": "<string>",
      "borrowerRef": "<string>",
      "currency": "<string>",
      "custodyComplete": true,
      "discountAmount": "<string>",
      "dossierDigest": "<string>",
      "exitReason": "<string>",
      "exitSource": "<string>",
      "faceValue": "<string>",
      "hasOpenOverdue": true,
      "installmentCount": 123,
      "itemState": "<string>",
      "outstandingBalance": "<string>",
      "paymentSourceRef": "<string>",
      "principalAmount": "<string>",
      "receivableRef": "<string>",
      "registrationActive": true,
      "repriced": true,
      "snapshotObservedAt": "<string>",
      "valuationBaseDate": "<string>",
      "valuationVersion": "<string>",
      "trailInstallmentsRemaining": 123
    }
  ],
  "set": {
    "assignorConcentrationLimit": "<string>",
    "borrowerConcentrationLimit": "<string>",
    "createdAt": "<string>",
    "createdBy": "<string>",
    "currency": "<string>",
    "eligibilityCheckedAt": "<string>",
    "eligibilityMode": "full",
    "fundId": "<string>",
    "fundPaidAmount": "<string>",
    "id": "<string>",
    "inSetItemCount": 123,
    "paymentSourceConcentrationLimit": "<string>",
    "paymentTolerance": "<string>",
    "registryProvider": "<string>",
    "retainedFraction": "<string>",
    "retentionThreshold": "<string>",
    "riskRetention": "<string>",
    "ruleVersion": "<string>",
    "sellerRetainsControl": true,
    "state": "<string>",
    "termMode": "lender_emitted",
    "totalAssignmentPrice": "<string>",
    "totalFaceValue": "<string>",
    "updatedAt": "<string>",
    "valuationVersion": "<string>"
  },
  "approval": {
    "approvedAt": "<string>",
    "approvedBy": "<string>",
    "contentDigest": "<string>",
    "currency": "<string>",
    "fundId": "<string>",
    "id": "<string>",
    "itemCount": 123,
    "setId": "<string>",
    "totalAssignmentPrice": "<string>",
    "trailObservedAt": "<string>",
    "valuationVersion": "<string>"
  }
}

{
  "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"
  }
}

{
  "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"
  }
}

{
  "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"
  }
}