Do I need bot protection for APIs too?

Yes — usually you do, but the level of bot protection for APIs should match the API’s risk.

When APIs need bot protection

You should strongly consider it for APIs that:

• handle login, signup, password reset, OTP, or MFA
• expose public or semi-public endpoints
• can be used for scraping, credential stuffing, or account takeover
• process payments, credits, coupons, inventory, reservations
• are expensive to call and vulnerable to abuse or cost-amplification
• power mobile/web apps that can be reverse engineered

Common API bot threats

• Credential stuffing
• Brute force on auth endpoints
• Token stuffing / session abuse
• Scraping
• Fraud and promo abuse
• Enumeration of users/orders/IDs
• Denial of wallet from excessive requests

What “bot protection” means for APIs

For APIs, this often looks less like CAPTCHA and more like:

• rate limiting
• IP / ASN / device reputation
• behavioral anomaly detection
• challenge flows where appropriate
• auth hardening (MFA, proof-of-possession, short-lived tokens)
• request signing / anti-replay
• abuse monitoring and alerting
• quota controls and per-client limits

Important nuance

• Public APIs: usually need some bot defenses.
• Internal/private APIs: less likely to need strong bot protection, but still need auth, authorization, rate limits, and anomaly detection.
• Highly sensitive endpoints: need the strongest controls.

Practical rule

If an API endpoint can be:

• automated at scale,
• abused for money, access, or data,
• or reached by untrusted clients,

then yes, it should have bot/abuse protection.

If you want, I can help you decide what level of protection your specific API needs and suggest a control set.