RentCast

API

US property records, home value and rent estimates, and sale and rental listings

Price: 50 free calls/month, then paid
Access: API key (X-Api-Key header)

Docs
Pricing
llms.txt

About

RentCast's API returns US property records with owner and tax details, automated home value and rent estimates with comparables, active sale and rental listings, and market statistics by ZIP code, for 150M+ properties. US data only. The free plan has 50 calls a month.

What you can do with it

Get a home value or rent estimate with comparables for a US address
Pull active for-sale and rental listings in a US city or ZIP code
Look up US property records with owner, tax and sale history

Get started

Create a RentCast account and an API key
Send the key in the X-Api-Key header

Example

curl "https://api.rentcast.io/v1/avm/value?address=5500%20Grand%20Lake%20Dr%2C%20San%20Antonio%2C%20TX%2078244" \
  -H "X-Api-Key: $RENTCAST_API_KEY"

Details

Hosting: Hosted service
Available in: Worldwide
MCP server: Remote