Hermes is a B2B product built for developers and AI assistant users building or querying flight-price tools.

What platforms does Hermes run on?

Hermes runs on the web and API.

Is Hermes still active?

Unverified. Hermes has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Hermes?

Similar projects tracked by PulseGate include KimiDoc, undercover-agent, and 42matters.

Hermes is developed by Ryan Brinkhorst.

Does Hermes have an API or integrations?

Yes — Hermes exposes an MCP server and a public API.

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Hermes

Name: Hermes
Author: Ryan Brinkhorst

brinkhorst.devInfrastructure

Hermes is an unofficial Ryanair flight-price service exposing REST endpoints, OpenAPI documentation, and an MCP server. It provides cheapest fares, historical price series, price-drop detection, airport and route lookups for developers and AI assistants.

FreeWebAPICloud-managed

Visit brinkhorst.dev

Overview

10 features

In the API design, testing & docs space, Hermes takes a focused approach. It focuses on finding current and historical Ryanair fares, price drops, and route options without building a flight-price data pipeline. Hermes is a B2B product aimed at developers and AI assistant users building or querying flight-price tools. Hermes is free to use. It ships for the web and API.

Behind Hermes is Ryan Brinkhorst. Among its 10 catalogued features are cheapest fares, price history, and price drops. It exposes integrations via an MCP server and a public API.

Summary written by a language model from the project’s public pages.

Cheapest fares
Price history
Price drops
Route lookup
Airport search
Destination exploration
REST API
OpenAPI docs
MCP server
Read-only tools

Built with & integrations

Hosting

Cloudflare

Connectors

MCPAPI

Runs on

BrowserAPI-onlyCloud-managed

Detected from

Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sept · 21:09 UTC
Show HN: Hermes – RyanAir price API with historical data verified via Hacker News firehose (Algolia)
Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about Hermes

What is Hermes?: Hermes focuses on finding current and historical Ryanair fares, price drops, and route options without building a flight-price data pipeline. It is catalogued under API design, testing & docs on PulseGate.
Who is Hermes for?: Hermes is a B2B product built for developers and AI assistant users building or querying flight-price tools.
Does Hermes have a free plan?: Yes — Hermes is free to use.
What platforms does Hermes run on?: Hermes runs on the web and API.
Is Hermes still active?: Unverified. Hermes has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Hermes?: Similar projects tracked by PulseGate include KimiDoc, undercover-agent, and 42matters.KimiDoc undercover-agent 42matters
Who develops Hermes?: Hermes is developed by Ryan Brinkhorst.
Does Hermes have an API or integrations?: Yes — Hermes exposes an MCP server and a public API.

At a glance

Platforms: API · Web
Languages: English
First seen: 11 Sept 2026
Built for: developers and AI assistant users building or querying flight-price tools
Model: B2B
Solves: Finding current and historical Ryanair fares, price drops, and route options without building a flight-price data pipeline.

Developer

Ryan Brinkhorst

Index record

Indexed: 11 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 11 Sept 2026

Identity audit (13)

Slug: show-hn-hermes-ryanair-price-api-with-historical-data-brinkhorst-dev
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sept 2026
Canonical URL: https://hermes.brinkhorst.dev/

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