01 / FOR DEVELOPERS
Call the API
Two GET requests. Your browser key is included when you copy.
Site Strength
Referring Domains
Your API key
Filter by parameters
Filter by parameters
START BUILDING
Connect your tools and AI agents to Rankfield in one command.
Get Site Strength and Referring Domains in seconds through simple GET requests. Copy a ready-to-run request or connect an agent through MCP.
Explore the API docs ↗02 / FOR AI AGENTS
Connect an agent
Fetch the Rankfield skill to get a key and start building. Or connect the MCP server directly.
Paste this into your agent
Agent onboarding skill
Useful resources to make the most of Rankfield
Field notes on our experiments and research, plus a few unsolicited SEO opinions.
What is Site Strength?
What our link strength score means, how we build it, and how 20 domains compare.
Read the story ↗What are Referring Domains?
Backlinks count links. Referring domains count websites. Here's why you want both.
Read the story ↗Should you trust Rankfield data?
What your agent can use today, where the data comes from, and a prompt to try it yourself.
Read the story ↗