Repliers API vs Realie Property Data API for AI agents
Repliers API is a real estate data API that connects to US and Canadian MLSs and serves their listings through one REST API, with AI search features and an official MCP server. Realie Property Data API is a US property data API (REST, CLI and MCP) for parcel lookup, property search, owners and comparables; its docs describe property records, not MLS listings.
The short answer
- Repliers API: Licensed agents and brokerages who want an AI-ready, MCP-connected API on top of their own MLS feed.
- Realie Property Data API: Cheap, agent-friendly lookups of US parcel and owner records, not finding homes for sale or rent.
Side by side
| Repliers API | Realie Property Data API | |
|---|---|---|
| Searches | MLS listings from the boards you are licensed with (500+ boards listed), with sold data where your MLS agreement allows. | Properties and parcels by address, parcel ID, location or whole areas such as counties. |
| Returns | Listing records including an agents field with contact information, brokerage affiliation and roles, plus office details. | Property and parcel records with owner details and comparables. |
| Before the first call | A Repliers account and API key; production data requires being a licensed real estate agent with a data agreement with your MLS. | A Realie account, an API key from the dashboard, and a payment method on file before sending API requests. |
| Free | Preview plan: $0 a month, with sample data only. | Free plan: $0 a month with 25 tokens a month. |
| Paid | Standard plan: $199 a month (single MLS). | Tier 1: $50 a month for 1,250 tokens. |
| Acting on a result | Listings include the listing agents' contact details (email, phones, website) and brokerage, as the MLS provides them. | Nothing: no agent or landlord contact is described (it has owner tools, not listing contacts). |
| Coverage | US and Canada, MLS by MLS (500+ boards listed). | US nationwide property data. |
| MCP server | Official open-source MCP server, hosted at https://mcp.repliers.io (repo: https://github.com/Repliers-io/mcp-server) | Official MCP server: https://app.realie.ai/api/mcp (OAuth sign-in) |
Where Openpath fits
Openpath has no homes listed yet. Owners and landlords can list a home for rent or sale on Openpath today, free, and agents will find it through the same search as jobs and businesses. Get listed.
Questions people ask
What do I need before I can use Repliers API?
A Repliers account and API key; production data requires being a licensed real estate agent with a data agreement with your MLS.
Is Repliers API free?
Preview plan: $0 a month, with sample data only.
What do I need before I can use Realie Property Data API?
A Realie account, an API key from the dashboard, and a payment method on file before sending API requests.
Is Realie Property Data API free?
Free plan: $0 a month with 25 tokens a month.
Sources
Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.
Repliers API, read on October 15, 2026:
- repliers.com/plans-and-pricing: “Build and test your proof of concept with sample data. Upgrade to unlock production data when ready.”
- repliers.com: “Yes, Repliers integrates with MLS® platforms, requiring users to be licensed real estate agents.”
- repliers.com/faqs: “data agreements are still required with your MLS”
- repliers.com: “With Repliers, you can connect to any MLS in the U.S. or Canada.”
- help.repliers.com/en/article/understanding-the-data-in-a-listings-response-v0gh0d: “contact information, brokerage affiliation, and roles”
- repliers.com: “Connect Claude, Cursor, ChatGPT, or any MCP client straight to live MLS listings.”
- repliers.com/repliers-mcp-server: “The Repliers MCP Server connects the full power of the Repliers real estate API”
- repliers.com/plans-and-pricing: “$0 / month Preview Build and test your proof of concept with sample data”
- repliers.com/plans-and-pricing: “$199 / month Standard”
Realie Property Data API, read on October 15, 2026:
- docs.realie.ai/api-reference/pricing: “$0 / Month ... 25 Tokens / Month”
- docs.realie.ai/api-reference/pricing: “$50 / Month ... 1,250 Tokens / Month”
- docs.realie.ai/api-reference/faq: “Add a payment method from Billing before sending API requests.”
- docs.realie.ai: “accessing nationwide property data programmatically”
- docs.realie.ai/api-reference/property-data: “A flexible way to paginate through large areas (such as entire counties) to collect all relevant data.”
- docs.realie.ai/realie-mcp-server: “https://app.realie.ai/api/mcp”