How do their growth rates compare?

Arcjet has a month-over-month growth rate of -29.2%; Respond.io has -8.7%.

How does pricing compare?

Arcjet: Free Trial, Paid, Contact for Pricing. Free trial available, then paid plans with custom pricing for larger deployments. Enterprise and volume pricing is quoted on request. Check the official pricing page for current tiers and usage limits. Respond.io: Freemium. Freemium with a free trial. Paid tiers scale by users and monthly active contacts, and WhatsApp messaging fees are billed separately by the channel provider.

What are alternatives to Arcjet and Respond.io?

Other tools in related categories include Intercom, Composio, Gorgias, Crisp, AiSensy.

Arcjet vs Respond.io — Traffic (38.97K vs 1.61M), Pricing & Verdict

Open AI Tools

Arcjet vs Respond.io — Traffic (38.97K vs 1.61M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Arcjet	Respond.io
Official Domain	arcjet.com	respond.io
Pricing Model	Free Trial, Paid, Contact for Pricing	Freemium
Monthly Visits	38.97K (38,973)	1.61M (1,606,802)
MoM Traffic Delta	-16.04K (-29.2%)	-152.34K (-8.7%)
Primary Market & Share	🇬🇧 United Kingdom (30.7%)	🇲🇾 Malaysia (17.4%)
Direct Visits / mo	23.71K	1.24M
User Rating	4.4	4.5
Supported Platforms	Website	Website

Arcjet

Runtime security that decides what your AI agents are allowed to do

Agent action policy enforcement

Wrap agent tool calls and get a typed decision - allow, block, redact or hold for review - before the tool actually executes, based on actor, role, route and typed inputs.

Prompt injection detection

Screen user input, fetched web pages, API responses and tool output for hostile instructions before anything reaches the model context.

Sensitive information and DLP

Detect and strip names, addresses, national IDs, bank and card numbers before they reach model context, logs or third-party tools, with optional in-process local detection.

Web app protections

Bot protection, WAF rules, rate limiting, signup form protection and email validation to keep public endpoints and signup flows clean.

Strengths & Pros

+Evaluates the whole agent run, not just a single request, which catches sequence drift and multi-step abuse
+Detection can run in-process so sensitive data does not have to leave your environment
+Broad SDK and agent-framework coverage, including an MCP server, CLI and coding-agent skills
+Decisions and policy versions stream to common SIEM and observability stacks for compliance evidence