curl 'https://api.tenderly.co/api/v1/account/${TENDERLY_ACCOUNT_SLUG}/project/${TENDERLY_PROJECT_SLUG}/contracts/encode-states' \
  -H 'X-Access-Key: ${TENDERLY_ACCESS_KEY}' \
  -H 'content-type: application/json' \
  --data-raw '{"networkID":"1","stateOverrides":{"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48":{"value":{"balanceAndBlacklistStates[0xAd4A638e2476C5645c1adF659EA8105FE3C1031e]":"1000"}}},"blockNumber":"-1"}' \
  --compressed

const options = {
  method: 'POST',
  headers: {'X-Access-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    networkID: '1',
    stateOverrides: {
      '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48': {
        value: {
          'balanceAndBlacklistStates[0xAd4A638e2476C5645c1adF659EA8105FE3C1031e]': '1000'
        }
      }
    }
  })
};

fetch('https://api.tenderly.co/api/v1/account/{accountSlug}/project/{projectSlug}/contracts/encode-states', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.tenderly.co/api/v1/account/{accountSlug}/project/{projectSlug}/contracts/encode-states"

payload = {
    "networkID": "1",
    "stateOverrides": { "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48": { "value": { "balanceAndBlacklistStates[0xAd4A638e2476C5645c1adF659EA8105FE3C1031e]": "1000" } } }
}
headers = {
    "X-Access-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

package main

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

func main() {

	url := "https://api.tenderly.co/api/v1/account/{accountSlug}/project/{projectSlug}/contracts/encode-states"

	payload := strings.NewReader("{\n  \"networkID\": \"1\",\n  \"stateOverrides\": {\n    \"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\": {\n      \"value\": {\n        \"balanceAndBlacklistStates[0xAd4A638e2476C5645c1adF659EA8105FE3C1031e]\": \"1000\"\n      }\n    }\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Access-Key", "<api-key>")
	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))

}

{}

{
  "error": {
    "id": "596b1dc7-af60-477b-aab3-6c93eb92ddfa",
    "slug": "bad_request",
    "message": "Bad request input parameters"
  }
}

{
  "error": {
    "id": "596b1dc7-af60-477b-aab3-6c93eb92ddfa",
    "slug": "unauthorized",
    "message": "Unauthorized"
  }
}

{
  "error": {
    "id": "596b1dc7-af60-477b-aab3-6c93eb92ddfa",
    "slug": "insufficient_permissions",
    "message": "Insufficient permissions"
  }
}

{
  "error": {
    "id": "596b1dc7-af60-477b-aab3-6c93eb92ddfa",
    "slug": "resource_not_found",
    "message": "The resource you requested could not be found."
  }
}

{
  "error": {
    "id": "9a7bbe06-7f6f-4a45-8c78-8d64b9a9d0e1",
    "slug": "too_many_requests",
    "message": "API Rate limit exceeded."
  }
}

{
  "error": {
    "id": "596b1dc7-af60-477b-aab3-6c93eb92ddfa",
    "slug": "internal_server_error",
    "message": "Internal server error"
  }
}