curl --request POST \
  --url https://api.sandbox.bango.com/{partnerUrlForEligibilityCheck} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "requestId": "85d814e6-7ca7-4753-8477-5363b67a6091",
  "type": "OFFERS_ELIGIBILITY_CHECK",
  "payload": {
    "consumer": {
      "consumerIdentifier": "123456789778",
      "billingIdentifier": "08217467445"
    },
    "offers": [
      {
        "offerId": "a49f0143-7d98-48c1-9f5a-5431294a823c"
      },
      {
        "offerId": "8aa12c97-2027-47db-9df8-d62b5205e9fb"
      }
    ]
  }
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    requestId: '85d814e6-7ca7-4753-8477-5363b67a6091',
    type: 'OFFERS_ELIGIBILITY_CHECK',
    payload: {
      consumer: {consumerIdentifier: '123456789778', billingIdentifier: '08217467445'},
      offers: [
        {offerId: 'a49f0143-7d98-48c1-9f5a-5431294a823c'},
        {offerId: '8aa12c97-2027-47db-9df8-d62b5205e9fb'}
      ]
    }
  })
};

fetch('https://api.sandbox.bango.com/{partnerUrlForEligibilityCheck}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sandbox.bango.com/{partnerUrlForEligibilityCheck}"

payload = {
    "requestId": "85d814e6-7ca7-4753-8477-5363b67a6091",
    "type": "OFFERS_ELIGIBILITY_CHECK",
    "payload": {
        "consumer": {
            "consumerIdentifier": "123456789778",
            "billingIdentifier": "08217467445"
        },
        "offers": [{ "offerId": "a49f0143-7d98-48c1-9f5a-5431294a823c" }, { "offerId": "8aa12c97-2027-47db-9df8-d62b5205e9fb" }]
    }
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "requestId": "85d814e6-7ca7-4753-8477-5363b67a6091",
  "type": "ELIGIBILITY_RETRIEVED",
  "payload": {
    "eligibilityData": {
      "offerEligibility": {
        "expiryPeriod": "20D",
        "offers": [
          {
            "offerId": "a49f0143-7d98-48c1-9f5a-5431294a823c",
            "eligibilityStatus": "CONSUMER_ELIGIBLE"
          },
          {
            "offerId": "8aa12c97-2027-47db-9df8-d62b5205e9fb",
            "eligibilityStatus": "CONSUMER_ELIGIBLE"
          }
        ]
      },
      "paymentEligibility": {
        "status": "enabled",
        "expiryPeriod": "30D",
        "userProperties": {
          "accountType": "prepaid",
          "countryCode": "AF",
          "locale": [
            "en-US",
            "ar-SA"
          ],
          "currency": "USD",
          "customerProfile": "saver"
        }
      }
    }
  }
}

{
  "errors": [
    {
      "code": "invalid-json",
      "metadata": {},
      "message": "The request body is not valid JSON",
      "originator": "PARTNER"
    }
  ]
}

{
  "errors": [
    {
      "code": "invalid-credentials",
      "metadata": {},
      "message": "The supplied credentials are not valid",
      "originator": "PARTNER"
    }
  ]
}

{
  "errors": [
    {
      "code": "permission-denied",
      "metadata": {},
      "message": "The client is not permitted to perform this operation",
      "originator": "PARTNER"
    }
  ]
}

{
  "errors": [
    {
      "code": "too-many-requests",
      "metadata": {},
      "message": "Request limit reached. Please try again later",
      "originator": "PARTNER"
    }
  ]
}

{
  "errors": [
    {
      "code": "internal-server-error",
      "message": "The server encountered an unexpected condition which prevented it from fulfilling the request",
      "originator": "PARTNER",
      "metadata": {
        "canRetry": false
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "service-unavailable",
      "metadata": {
        "canRetry": false
      },
      "message": "The service is undergoing maintenance and is not available. Please try again later",
      "originator": "PARTNER"
    }
  ]
}