toolgrep / Security / Settlens
Alternatives to Settlens
Settlens: x402 security and testing for agentic payments. 8 products similar to Settlens, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server.
- PayAPI Market
x402 marketplace for AI agents
- nohumans.directory
A machine-readable registry of paid x402 APIs and datasets, verified by paying endpoints with real USDC and publishing purchase outcomes.
- Keelen
Autonomous AI coding agent for GitHub repositories, managed via a hosted MCP server
- Agentropolis
Search engine for agent tools: MCP servers, x402/MPP paid APIs, A2A agents and kits with payment-verified trust.
- naxytra
Pay-per-call tools for AI agents with x402 USDC settlement on Base
- 7Maps
Signed history of which MCP servers actually work
- Verifi
Human judgment for AI agents
- agentsvc.io
Pay-per-call API marketplace for AI agents with 127 services settled in USDC via x402
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Settlens | Usage-based | yes | yes | yes | no | no |
| PayAPI Market | Free | yes | yes | yes | yes | — |
| nohumans.directory | Free | yes | yes | yes | — | — |
| Keelen | Freemium · from $29 | yes | yes | yes | no | no |
| Agentropolis | Free | yes | yes | yes | yes | — |
| naxytra | Usage-based · from $0.01 USDC per call (Base mainnet); $0.02 for attesting tools; $1.00 = 400 prepaid credits | yes | yes | yes | yes | — |
| 7Maps | Freemium | yes | yes | yes | no | no |
| Verifi | Usage-based · from 0.10 EUR admission + 2.90 EUR (60 min) or 1.45 EUR (24 h) unlock per review | yes | yes | yes | no | no |
| agentsvc.io | Usage-based · from $0.002 per call | yes | yes | yes | no | — |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/settlens/alternatives