A guide on how to reverse engineer character.ai

reverse_character_ai.md

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Step 1: GET https://beta.character.ai/chat/curated_categories/characters/. It returns JSON. You are looking for external_id of the character you want. This will be used for all following steps (external_id or character_external_id)

Step 2: POST https://beta.character.ai/chat/character/info/ with {"external_id":"..."} as payload. Keep track of identifier from the response as tgt for step 4

Step 3: POST https://beta.character.ai/chat/history/create/ with the same payload as step 2. Keep track of external_id in the response as history_external_id.

Step 4: POST https://beta.character.ai/chat/streaming/ with payload:

{
    "history_external_id": "<HISTORY ID from STEP 3>",
    "character_external_id": "<CHARACTER ID from STEP 1>",
    "text": "<YOUR PROMPT>",
    "tgt": "<TGT from STEP 2>",
    "ranking_method": "random",
    "staging": false,
    "model_server_address": null,
    "model_server_address_exp_chars": null,
    "override_prefix": null,
    "override_rank": null,
    "rank_candidates": null,
    "filter_candidates": null,
    "unsanitized_characters": null,
    "prefix_limit": null,
    "prefix_token_limit": null,
    "stream_params": null,
    "model_properties_version_keys": "",
    "enable_tti": null,
    "initial_timeout": null,
    "insert_beginning": null,
    "stream_every_n_steps": 16,
    "chunks_to_pad": 8,
    "is_proactive": false,
    "image_rel_path": "",
    "image_description": "",
    "image_description_type": "",
    "image_origin_type": "",
    "voice_enabled": false,
    "parent_msg_uuid": null,
    "seen_msg_uuids": [],
    "retry_last_user_msg_uuid": null,
    "num_candidates": 1,
    "give_room_introductions": true,
    "mock_response": false
}

CLOUDFLARE!!! Use TLS spoofing! If you need help with this, look at my ChatGPT-Proxy-V4 code. You must write the program in Go or else it won't stream.

Use https://github.com/bogdanfinn/tls-client (or https://github.com/FlorianREGAZ/Python-Tls-Client which is the Python equivalent)

Still can't bypass but I haven't used proxy as I don't have any

Btw they have launched an app called c chat can we figure out how it calls their api end point

yall still workin on this?

I wrote this as a response to some random Discord user and posted it as a gist as reference for anyone interested. There was never any intention to do anything with it.

AI hasn't really been that interesting beyond the initial hype.

I wrote this as a response to some random Discord user and posted it as a gist as reference for anyone interested. There was never any intention to do anything with it.

AI hasn't really been that interesting beyond the initial hype.

oh alr