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    AWS WAF

    API Securitywaf

    AWS WAF is AWS’s managed web application firewall used to protect API endpoints exposed through Amazon API Gateway, CloudFront, App Runner, AppSync, and ALB. In the API Security scope, it stops common web exploits against HTTP(S) APIs, including SQL injection, cross-site scripting, malicious scripts, and bot traffic, before other API Gateway controls are evaluated. It is best suited for teams already running APIs on AWS that want policy enforcement at the edge or in front of API Gateway, with optional managed rule sets from AWS and partners for API-specific attack patterns.

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    Considering AWS WAF?

    Ask about pricing, alternatives, or if AWS WAF is right for you.

    Picari insights

    Organizations already leveraging AWS infrastructure for their APIs that require a native, edge-based WAF solution.

    Best for
    • AWS-native API security at the edge.
    • Protection against OWASP Top 10 web vulnerabilities.
    • Bot and account takeover prevention for AWS-hosted APIs.
    May not be ideal if
    • Non-AWS API deployments.
    • Advanced API-specific threat detection without custom rules.
    • Organizations seeking a single, multi-cloud API security solution.

    Core capabilities

    Block common web exploits
    Creates rules to block common web exploits such as SQL injection and cross-site scripting (XSS) against API Gateway REST APIs.
    Filter requests by IP and geography
    Lets you allow or block API requests from specified IP address ranges, CIDR blocks, countries, or regions.
    Inspect HTTP request fields
    Matches strings or regular expressions in HTTP headers, method, query string, URI, and request body to control which requests reach the API.
    Precedence before API authorization
    Evaluates WAF rules before resource policies, IAM policies, Lambda authorizers, and Amazon Cognito authorizers when enabled on an API.

    Common use cases

    01

    Account takeover fraud prevention

    02

    API protection

    03

    Layer 7 DDoS mitigation

    04

    Web traffic filtering

    Things to consider

    Every product has trade-offs, and which of them matter depends on your environment, your team and your timeline.

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    AWS WAF pricing and integrations

    For AWS WAF integration and pricing details, ask Picari. Start a briefing with your question, such as whether it connects to your SIEM, identity provider and ticketing stack, or how it is priced at your seat count and data volume.

    Ask Picari about AWS WAF pricingAsk Picari about AWS WAF integrations

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    Profile last updated on 6 September 2026 by Picari.