Alternatives to Wallarm

What middleBrick covers

Black-box API scanning without agents or code access
Risk score A–F with prioritized findings
Coverage of 12 OWASP API Top 10 categories
OpenAPI 3.0/3.1/Swagger 2.0 parsing with $ref resolution
18 LLM/AI adversarial probes across scan tiers
CI/CD integration via GitHub Action and MCP server

Purpose of this comparison

This page compares alternatives to Wallarm for API security testing. The listed tools vary in deployment model, scan depth, and integration options. Evaluate each against your workflow, compliance needs, and operational constraints.

middleBrick as a Wallarm alternative

middleBrick is a self-service API security scanner that submits a URL and returns a risk score from A to F with prioritized findings. It performs black-box scanning without agents or SDKs, supports any language or framework, and completes scans in under a minute using read-only methods plus text-only POST for LLM probes. It covers OWASP API Top 10 (2023), helps you prepare for SOC 2 Type II, and supports audit evidence for PCI-DSS 4.0 controls.

Alternative tools overview

The following tools are viable alternatives, each with distinct characteristics.

SmartBear ReadyAPI — functional API testing with security checks, suitable for teams already using the platform.
Postman — widely adopted for API development, with security-focused collections and automated test runs.
Insomnia — lightweight client with environment and workflow features; security relies on manual test design.
42Crunch — runtime API protection platform with a focus on policy enforcement and traffic inspection.
Salt Security — runtime protection and monitoring, oriented around in-API threat detection.

middleBrick scan capabilities and scope

middleBrick detects 12 security categories aligned to OWASP API Top 10, including authentication bypass, BOLA and BFLA, property authorization, input validation, rate limiting, data exposure, encryption, SSRF, inventory issues, unsafe consumption, and LLM/AI security. It parses OpenAPI 3.0, 3.1, and Swagger 2.0 with recursive $ref resolution and cross-references spec definitions against runtime behavior. LLM testing spans 18 adversarial probes across Quick, Standard, and Deep tiers, addressing system prompt extraction, jailbreaks, data exfiltration, and prompt injection variants.

middleBrick deployment and integration options

Products include a Web Dashboard for scanning, reporting, and score trends; a CLI via the middlebrick npm package; a GitHub Action for CI/CD gating; an MCP server for AI coding assistants; and a programmatic API for custom integrations. Authenticated scanning supports Bearer, API key, Basic auth, and cookies, with domain verification and restricted header forwarding. Continuous monitoring is available on Pro and Enterprise tiers with scheduled rescans, diff detection, and HMAC-SHA256 signed webhooks.

Data handling, safety, and compliance positioning

middleBrick operates read-only, never modifying systems. Private IPs, localhost, and cloud metadata endpoints are blocked at multiple layers. Customer data is deletable on demand and retained no longer than necessary. The product does not fix, patch, or remediate findings; it reports with remediation guidance. It aligns with security controls described in PCI-DSS 4.0 and SOC 2 Type II, and surfaces findings relevant to compliance evidence. It is not an auditor and does not certify compliance.

Frequently Asked Questions

What methodology does middleBrick use for API scanning?

middleBrick performs black-box scanning using read-only methods (GET and HEAD) and text-only POST for LLM probes, completing scans in under a minute without accessing source code or deploying agents.

Which frameworks and languages does middleBrick support?

Because it is black-box, middleBrick works with any language, framework, or cloud environment. It requires only that the API endpoint be reachable via HTTP or HTTPS.

How does authenticated scanning work in middleBrick?

Authenticated scanning accepts Bearer tokens, API keys, Basic auth, and cookies. Domain verification via DNS TXT record or HTTP well-known file ensures only the domain owner can scan with credentials, and forwarded headers are limited to an allowlist.

What compliance mappings does middleBrick provide?

middleBrick maps findings to OWASP API Top 10 (2023), helps you prepare for SOC 2 Type II, and supports audit evidence for PCI-DSS 4.0. It uses alignment language for other frameworks and does not claim certifications.

Can middleBrick replace a human pentester for high-risk audits?

No. middleBrick does not perform intrusive payloads like active SQL injection or command injection and does not detect business logic vulnerabilities; it supplements but does not replace human-led high-stakes audits.