Is Twitter Starting to Check TLS Fingerprints?

socialprowl

Hey, has anyone noticed Twitter (X) acting weird lately with automation?
Some of my requests suddenly stopped working unless the TLS looks like a real browser. Same code was fine last week, but now anything that isn’t a normal Chrome-like fingerprint gets blocked instantly.

I’m wondering if they quietly started checking TLS fingerprints or JA3 hashes.
Real browsers still work, but simple HTTP clients or older libraries fail right away.

Anyone else seeing the same thing?

heysmmreseller

Twitter has been paying attention to TLS for months already. It’s definitely more aggressive lately.
When I was trying to understand what was going on, I checked a couple of open-source repos on GitHub. uTLS helped me see how different TLS signatures look from real browsers, and the JA3 fingerprint repo was useful for understanding why some clients stand out. Just for research, nothing special.
So yeah, you’re not imagining it. Twitter’s been tightening TLS checks for a while now.

Example repo; (I dont use those repos because I dont like python, mostly I use Rust)
https://github.com/bogdanfinn/tls-client

socialprowl

Thanks for the info, that actually makes a lot of sense. I had a feeling something changed but couldn’t pin it down. I’ll check out those repos just to understand what’s going on behind the scenes. Appreciate the help!

Fabian91

I've noticed similar issues. It seems they might be implementing stricter TLS checks. Switching to a more sophisticated HTTP client like Puppeteer might help. Have you tried that yet?

Griffin_OConner

yeah, i've noticed that too. my scripts are acting up lately. kinda feels like they tightened stuff up or something. might be worth checking traffic settings or updating libs.

Eda_Breitenberg39

totally noticed that too. seems like they're cracking down on bots more. might need to tweak your setup or change headers.

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