Cloudflare API Security Service

Your API endpoints are the most attacked surface on your site. Attackers use them for credential stuffing, data scraping, account takeovers, and brute force attacks that bypass your login pages. Our Cloudflare API security service builds custom rate limiting, challenge rules, and bot signatures around your specific endpoints — tested under real attack conditions before closing.

Certified Industry Expert

See How We Document Your API Security Setup

Every Cloudflare API security engagement closes with a written report covering every rate limiting rule, challenge rule, and endpoint protection we deployed. You see exactly what was configured, why each rule exists, and how to interpret your Cloudflare API security logs going forward.

Protect Your API Endpoints From Modern Attacks

API Endpoint Mapping and Threat Analysis

Real Traffic Patterns, Real Attack Vectors

Cloudflare API security starts with knowing every endpoint your application exposes. We map your full API surface — public endpoints, internal endpoints, authentication routes, payment hooks, webhook receivers, and third-party integration paths. Then we analyze 30 days of real traffic to understand what normal usage looks like for each endpoint before writing a single rule.

This approach catches the API abuse most generic WAF rules miss: slow credential stuffing spread across thousands of IPs, scrapers using residential proxies, account enumeration through password reset endpoints, and API token theft replayed from different geographies.

Rule Deployment and Ongoing Tuning

Custom API Security Rules and Long-Term Protection

Every Cloudflare API security rule is deployed in log-only mode first to confirm it does not flag legitimate API traffic from your real users, mobile apps, webhooks, or third-party integrations. Once validated, we promote rules to block, challenge, or rate limit. Nothing goes live until we know it works.

For retainer clients, we tune rules every month as your traffic patterns evolve and as new API attack methods emerge. You get ongoing protection, monthly written reports, and direct WhatsApp access to the Cloudflare security expert who built your setup.

What Our Cloudflare API Security Service Includes

Custom Rate Limiting Rules

Per-endpoint rate limits tuned to your real API traffic. Different thresholds for login, search, checkout, and webhook endpoints based on actual usage patterns.

Bot and Scraper Protection

Block residential proxies, data center traffic, and known scraping ASNs from hitting your API endpoints. Verified bots like Googlebot stay whitelisted.

Authentication Endpoint Hardening

Custom challenge rules on login, password reset, and 2FA endpoints to stop credential stuffing without breaking the user experience.

API Token and Key Protection

Detect and block replay attacks using stolen API tokens. Geographic anomaly detection on token usage. Webhook signature verification at the Cloudflare edge.

WAF Custom Rules for API Routes

Cloudflare WAF expressions written specifically for your API endpoints, with sensitivity tuned per route to stop OWASP API Top 10 attacks.

Cloudflare API Shield Setup

For Cloudflare Business and Enterprise plans, we configure API Shield with schema validation, JWT verification, and endpoint discovery to protect every API route automatically.

Cloudflare API Security for High-Risk Industries

Financial Services

Our Cloudflare API Security Process

Cloudflare API Security Setup Step by Step

Discovery Call

We talk through your API stack, your current Cloudflare plan, recent attack patterns, and any incidents you have already seen on your endpoints. This call sets the foundation for everything that follows.

Scope and Endpoint Inventory

We document every API endpoint, authentication flow, webhook receiver, and third-party integration path that needs Cloudflare API security protection. Nothing gets missed before we start writing rules.

Real Traffic Analysis

We pull 30 days of Cloudflare analytics and access logs to understand legitimate API usage patterns per endpoint. This is how we tune rate limits without breaking your real users.

Custom Rule Deployment

We deploy custom rate limiting, challenge rules, WAF expressions, and Bot Fight Mode tuning across your Cloudflare account. Every rule starts in log-only mode to validate it does not flag legitimate traffic.

Attack Simulation Testing

We run simulated credential stuffing, scraping, and brute force attacks against your endpoints to validate every rule under real attack conditions before promoting them to active blocking.

Reporting and Handover

You receive a written report documenting every Cloudflare API security rule we deployed, the reasoning behind it, and a guide to interpreting your WAF logs going forward.

Cloudflare API Security Results You Can Count On

Transparent Pricing

One-time API security setup from $150. Monthly retainers from $250. No hidden fees, no lock-in contracts.

Rule Retesting Included

Every rate limiting and challenge rule retested after deployment to confirm it stops the attack without breaking real traffic.

Custom Rules Per Endpoint

No template rules. Every rate limit and challenge rule tuned for your specific API endpoints and real traffic patterns.

Direct Expert Access

You work with Rana Shahwaiz directly on WhatsApp. No ticket queues, no junior staff, no outsourcing.

Affordable Expertise

Enterprise-level Cloudflare API security at freelancer pricing. Top Rated Plus on Upwork with 5-star reviews.

Ongoing Protection

Retainer clients get monthly rule updates, threat intelligence, false positive tuning, and written reports every month.

Secure Your API Endpoints Today

Cloudflare API Security FAQs

What does a Cloudflare API security service do?

A Cloudflare API security service configures rate limiting rules, challenge rules, WAF custom expressions, and Bot Fight Mode to protect your API endpoints from credential stuffing, scraping, brute force attacks, and account takeover attempts. Unlike generic WAF defaults, a proper API security setup tunes each rule per endpoint based on your real traffic patterns.

How much does Cloudflare API security setup cost?

One-time Cloudflare API security setup with Xequent starts at $150 for small APIs with a handful of endpoints. Larger SaaS platforms or eCommerce APIs with complex authentication flows typically range from $300 to $800. Monthly retainers including ongoing rule tuning start at $250 per month with no contracts.

Will rate limiting break my real API users or third-party integrations?

Not when configured correctly. We deploy every rate limit in log-only mode first, verify it does not flag legitimate traffic from your real users, mobile apps, webhooks, Klaviyo, Stripe, or other integrations, and only then promote the rule to active blocking. Our Cloudflare integration fixes service can also unbreak any integration that has already been flagged.

Do I need Cloudflare Pro, Business, or Enterprise for API security?

Basic rate limiting and custom WAF rules work on Cloudflare Free and Pro. Cloudflare Pro adds advanced rate limiting and the Cloudflare Managed Ruleset. Cloudflare Business unlocks API Shield with schema validation and JWT verification. Enterprise unlocks discovery, ML-based abuse detection, and dedicated support. We configure the right setup for whichever plan you are on.

How do you stop credential stuffing without blocking real users?

Generic IP blocking does not work against modern credential stuffing because attackers spread requests across thousands of residential IPs. We use Cloudflare managed challenge rules triggered by behavioral signals — login attempts from new device fingerprints, geographic anomalies, password reset patterns, and known leaked credential databases — to challenge only the suspicious traffic.

Can you protect APIs that use API keys or JWT tokens?

How quickly can you set up API security if I am under active attack?

We offer same day emergency Cloudflare API security setup for sites under active credential stuffing, scraping, or brute force attacks. Message Rana directly on WhatsApp and we start immediately. Most emergency engagements have rules deployed and attacks mitigated within hours.

Do you offer ongoing Cloudflare API security management?

Yes. Our Managed Cloudflare Security retainer includes monthly API security reviews, new rule deployment as threats evolve, false positive tuning, and written monthly reports. Plans start at $250 per month with no contracts and 30 days cancellation notice.

What is the difference between Cloudflare API security and WAF setup?

Cloudflare WAF setup focuses on broad firewall rules protecting your entire site from SQL injection, XSS, and generic attacks. Cloudflare API security focuses specifically on API endpoints — rate limiting per route, JWT validation, schema validation, credential stuffing protection, and bot signatures tuned for automated abuse. Most sites need both. We build them together when you book a full Cloudflare security review.

Can you protect a WordPress site with REST API exposed at /wp-json/?

Yes. The WordPress REST API at /wp-json/ is one of the most abused endpoints on the internet — used for user enumeration, brute force attacks, and content scraping. We configure custom Cloudflare rules to block unauthenticated requests to sensitive /wp-json/ routes, rate limit the rest, and challenge suspicious traffic. This pairs well with our WordPress malware removal service if your site has already been compromised.