issue to connect endpont on node js to get unique fingerprint per session

[forgelancedesif]

Hello i have issue to connect endpont on node js to get unique fingerprint per session i use https://ip.bablosoft.com/api/v1/fingerprint/ https://fp.bablosoft.com/api/v1/fingerprint/ and many other i keep getting ip as reponse not a json format i put my api key and all perfectly idk why
export class FingerprintManager {
constructor() {
// Embed your Bablosoft API key directly into the code
this.apiKey = 'myapikeyhere';
this.endpoint = 'https://ip.bablosoft.com/api/v1/fingerprint/';
this.sessionId = null;

for example idk why please help me