RentCast Property Value Estimate via Locus x402

x402

RentCast Property Value Estimate via Locus x402 is a paid API for AI agents from rentcast.x402.paywithlocus.com, paid per call via x402, $0.033/call, status unknown (last checked 2026-09-13).

Returns an automated valuation model (AVM) estimate for a US property, including comparable sales and a confidence score, based on address or coordinates.

Price / call$0.033

Seller volume →—

Success—

StatusUnknown

How this service works

US real estate intelligence — property records, AVM valuations, rent estimates, sale/rental listings, and market statistics.

Output

Returns a JSON object containing the estimated market value of the property, a confidence score or range, and a list of comparable sold properties used to derive the estimate — including their addresses, sale prices, distances, and property characteristics. Payment metadata (settled USDC amount) and a request ID are also returned.

Example use cases

Pre-offer home valuation check

“I'm about to make an offer on a 4-bed, 3-bath townhouse at 88 Maple Ave, Austin, TX — about 2,400 sq ft. Can you pull an AVM estimate using 20 comparables within 3 miles from the last 90 days so I know if the asking price is fair?”

Investment property ROI analysis

“I'm evaluating a condo at 500 Brickell Ave, Miami, FL — 2 bedrooms, 2 bathrooms, 1,100 sq ft. Give me a property value estimate with 15 comps so I can figure out if the deal pencils out.”

Refinance equity assessment

“We're thinking about refinancing our home at 310 Oak Street, Denver, CO — a 3-bed, 2-bath single family with 1,650 sq ft. Can you get me an automated valuation using comps from the last 6 months within 2 miles to estimate our current equity?”

Technical details

Endpoint

POSThttps://rentcast.x402.paywithlocus.com/rentcast/value-estimate

When to prefer

Choose this endpoint when you need an automated valuation model (AVM) for a specific US residential property, especially when you want to control the comparable selection parameters (radius, recency, count). Prefer this over generic real estate search endpoints when the goal is a price estimate with comp-level detail rather than a listing search or rental rate. Particularly useful for pre-offer due diligence, refinance assessments, or investment underwriting where a quick, data-backed valuation is needed without a full appraisal.

Side effects

Address not found or unresolvable — returns error or empty data object
Insufficient comparable properties in radius — estimate may have low confidence or fail
Invalid property type enum value — request rejected
Latitude/longitude outside US coverage area — no results
compCount out of allowed range (5-25) — validation error
Payment failure or insufficient USDC balance — 402 response before data is returned

Input

Schema · Request body

Field	Type	Description
address	string
daysOld	number
bedrooms	number
latitude	number
bathrooms	number
compCount	number
longitude	number
maxRadius	number
propertyType	string
squareFootage	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

US real estate intelligence — property records, AVM valuations, rent estimates, sale/rental listings, and market statistics.

Output

Example use cases

Pre-offer home valuation check

Investment property ROI analysis

“I'm evaluating a condo at 500 Brickell Ave, Miami, FL — 2 bedrooms, 2 bathrooms, 1,100 sq ft. Give me a property value estimate with 15 comps so I can figure out if the deal pencils out.”

Refinance equity assessment

Technical details

Endpoint

POSThttps://rentcast.x402.paywithlocus.com/rentcast/value-estimate

When to prefer

Side effects

Address not found or unresolvable — returns error or empty data object
Insufficient comparable properties in radius — estimate may have low confidence or fail
Invalid property type enum value — request rejected
Latitude/longitude outside US coverage area — no results
compCount out of allowed range (5-25) — validation error
Payment failure or insufficient USDC balance — 402 response before data is returned

Input

Schema · Request body

Field	Type	Description
address	string
daysOld	number
bedrooms	number
latitude	number
bathrooms	number
compCount	number
longitude	number
maxRadius	number
propertyType	string
squareFootage	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}