Fastly launches AI controls for model use, prompt attacks, and agent API access

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Summary

Fastly introduced AI Runtime Control, AI Firewall, and expanded API Security to govern model access and spending, mitigate prompt injection, and enforce API rules for AI agents.

Key points

  • AI Runtime Control routes model calls through one endpoint, with virtual keys, usage visibility, rate limits, budget controls, and failover.
  • AI Firewall evaluates prompts in the request path to identify and block attacks such as prompt injection before they reach models.
  • Expanded API Security lets organizations observe or block requests that violate API contracts, including agent requests.
  • The launch extends Fastly’s existing edge platform and security capabilities to AI workloads.
  • Fastly says machine-generated traffic exceeded 50% of its network traffic in July and August, and AI traffic grew 6.5 times faster than human traffic from January through May.

Article Details

Event Type
Product and capability launch
Impact
Fastly introduced AI Runtime Control, AI Firewall, and expanded API Security capabilities for real-time governance of AI model usage, protection of AI applications, and control of AI agents accessing enterprise APIs. The features provide model routing and usage controls, prompt-injection defenses, and API contract enforcement.

People

Vendors

Products

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