Analysis
Cost and Abuse Controls for LLM APIs: Rate Limits, Budgets and Denial-of-Wallet
Publication date unknown · Discovered cryptoagilelabs.com
Page published
Publication date unknown · First observed: 1 Nov 2026
Coverage timeline
Single-source analysis — one report is available.
Why it matters
Denial-of-wallet controls help defenders contain API spending and preserve availability when attackers or malfunctioning agents trigger excessive model and tool calls.
CryptoAgile Labs explains how excessive requests, oversized inputs, unrestricted outputs, agent loops, and retry storms can drive denial-of-wallet against LLM-backed APIs. The article recommends authentication, per-user quotas, token caps, atomic budget enforcement, agent task limits, and global spending circuit breakers.