Kestrel

Kestrel

Microsoft
SwiftNodes

SwiftNodes

Swift Nodes LLC
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About

Kestrel is a cross-platform web server for ASP.NET Core. Kestrel is the web server that's included and enabled by default in ASP.NET Core project templates. Kestrel supports HTTPS, HTTP/2 (except on macOS), Opaque upgrade used to enable WebSockets, Unix sockets for high performance behind Nginx. Kestrel is supported on all platforms and versions that .NET Core supports. Some browsers require granting explicit permission to trust the local development certificate. Project templates configure apps to run on HTTPS by default and include HTTPS redirection and HSTS support. The Kestrel web server has constraint configuration options that are especially useful in Internet-facing deployments. There's a separate limit for connections that have been upgraded from HTTP or HTTPS to another protocol (for example, on a WebSockets request). The default maximum request body size is 30,000,000 bytes, which is approximately 28.6 MB.

About

SwiftNodes provides multi-chain blockchain RPC access through one API key for 128 EVM and non-EVM chains, including Ethereum, Base, Arbitrum, BNB Smart Chain, Polygon, Optimism, Solana, TRON, Cosmos networks, and Bitcoin. Endpoints use HTTPS and, on most chains, WebSocket. Monthly plans are based on requests per second, not compute units. All RPC methods have the same flat-rate pricing, so eth_getLogs and tracing do not cost more than eth_call. The free plan includes 2 requests per second and 250,000 requests per month. Paid plans range from $49/month for 50 requests per second to $249/month for 500 requests per second, with unlimited request volume, archive access, enhanced APIs, and MEV-protected sending. Customers can pay by card or cryptocurrency without KYC. For developers and AI agents, SwiftNodes provides a weekly-measured method-support matrix for every chain, a hosted read-only MCP server listed in the official MCP Registry as io.swiftnodes/swiftnodes, and a CLI.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, web owners and organizations seeking a cross-platform web server for ASP.NET Core

Audience

RPC developers and users.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Pricing

$49/month
Free plan: $0/month, 2 HTTP requests per second and 250,000 requests per month. Paid monthly plans: Starter $49 (50 req/s), Growth $89 (150 req/s), Scale $149 (300 req/s), and Pro $249 (500 req/s). Paid plans have unlimited monthly request volume and include archive access; enhanced APIs are included. Six-month prepayment receives a 5% discount; annual prepayment receives a 10% discount.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Microsoft
Founded: 1975
United States
docs.microsoft.com/en-us/aspnet/core/fundamentals/servers/kestrel

Company Information

Swift Nodes LLC
Founded: 2026
United States
swiftnodes.io

Alternatives

Alternatives

Cowboy

Cowboy

99s
Mako Server

Mako Server

Real Time Logic LLC

Categories

Web Servers Supported

Categories

RPC Node Supported

Integrations

Claude Code Not Supported
Codex CLI Not Supported
Cursor Not Supported
Docker Supported
Model Context Protocol (MCP) Not Supported
NGINX Supported
Starcounter Supported

Integrations

Claude Code Supported
Codex CLI Supported
Cursor Supported
Docker Not Supported
Model Context Protocol (MCP) Supported
NGINX Not Supported
Starcounter Not Supported
Claim Kestrel and update features and information
Claim Kestrel and update features and information
Claim SwiftNodes and update features and information
Claim SwiftNodes and update features and information