Discord HTTP Interactions Issue

export async function discordFetch(env, url, options) {
    options = options || {};
    url = `https://discord.com/api/v10/${url}`;
    options.headers = {
        ...options.headers || {},
        'Authorization': `Bot ${env.DISCORD_TOKEN}`,
        'User-Agent': 'DiscordBot (https://github.com/SkyKings-Guild/GameNightManager, 1.0)'
    }
    let response;
    try {
        response = await fetch(url, options); // hangs here
    } catch (error) {
        console.error('Error fetching', error);
        throw new HTTPError(null, null, `Error fetching: ${error}`);
    }

router.post('/process', async (request, env) => {
    try {
        const { isValid, interaction } = await server.verifyDiscordRequest(
            request,
            env,
        );
        if (!isValid || !interaction) {
            console.error('Bad request signature.');
            return new Response('Bad request signature.', { status: 401 });
        }

        if (interaction.type === InteractionType.PING) {
            return new JsonResponse({
            type: InteractionResponseType.PONG,
            });
        }

        if (interaction.type === InteractionType.APPLICATION_COMMAND) {
            // Permission Check
            ...
            try {
                // this call hangs with no errors logged
                await createInteractionResponse(env, interaction, {
                    type: InteractionResponseType.DEFERRED_CHANNEL_MESSAGE_WITH_SOURCE, 
                    data: {flags: InteractionResponseFlags.EPHEMERAL}
                });
                switch (interaction.data.name.toLowerCase()) {
                    case SET_LIMIT.name.toLowerCase(): {
                        await setLimitCommand(env, interaction);
                        return new Response(null, {status: 202});
                    }
...

export async function createInteractionResponse(env, interaction, data) {
    let fct = await discordFetch(env, `interactions/${interaction.id}/${interaction.token}/callback`, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(data),
    });
    // this doesn't run
    console.log("done")
}