500 trial credits · No credit card required

US Address Property Composite Resolve a US address property API

Resolve a US street address through the assessor, recorder and portal composite. Get structured JSON through one RealtyCrawl API key.

Get an API key View documentation

Send address in a JSON body. Optional source selectors must be supported by the selected operation. This operation requests source data through its enabled adapter. Preserve observation times, source warnings and any idempotent-replay metadata. Check live capabilities for accepted inputs and availability before running your request.

US Address Property Composite API

What can you do with the Resolve a US address property API?

Resolve a US street address through the assessor, recorder and portal composite.

Example request

curl --request POST 'https://realtycrawl.dev/v1/properties/resolve' \
  --header "x-api-key: $REALTYCRAWL_API_KEY" \
  --header 'X-Max-Credits: 50' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: YOUR_IDEMPOTENCY_KEY' \
  --data '{"address":{"formatted":"123 Example Street, Austin, TX","country":"US"}}'

import os
import json
import requests

headers = {
  "X-Max-Credits": "50",
  "Content-Type": "application/json",
  "Idempotency-Key": "YOUR_IDEMPOTENCY_KEY"
}
headers["x-api-key"] = os.environ["REALTYCRAWL_API_KEY"]
payload = json.loads("{\"address\":{\"formatted\":\"123 Example Street, Austin, TX\",\"country\":\"US\"}}")

response = requests.request("POST", "https://realtycrawl.dev/v1/properties/resolve",
    headers=headers, json=payload, timeout=60)
response.raise_for_status()
print(json.dumps(response.json(), indent=2))

const response = await fetch("https://realtycrawl.dev/v1/properties/resolve", {
  method: "POST",
  headers: {
    "x-api-key": process.env.REALTYCRAWL_API_KEY,
    ...{
      "X-Max-Credits": "50",
      "Content-Type": "application/json",
      "Idempotency-Key": "YOUR_IDEMPOTENCY_KEY"
    }
  },
  body: JSON.stringify({
    "address": {
      "formatted": "123 Example Street, Austin, TX",
      "country": "US"
    }
  })
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.json());

Parameters

Parameters for US Address Property Composite Resolve a US address property API
Parameter	Required	Description
address	Yes	US street address; formatted or line1+city+region/postal_code

Send address in a JSON body. Optional source selectors must be supported by the selected operation.

Example response

What does the US Address Property Composite Resolve a US address property API return?

The response includes a resolution with source property candidates in data, plus source outcomes and request metadata. Explore the structure below before making a call.

Illustrative response

{
  "data": {
    "status": "matched",
    "candidates": [
      {
        "id": "prop_usproperty_4b825dc642cb6eb9a060e54bf8d69288",
        "entity_type": "property",
        "confidence": null,
        "method": "exact_source_us_property_address",
        "source": {
          "platform": "us_property",
          "native_id": "29419686",
          "provider": "example",
          "observed_at": "2026-01-01T12:00:00Z",
          "access_class": "public_portal"
        }
      }
    ]
  },
  "meta": {
    "request_id": "example_request",
    "schema_version": "1.0.0",
    "generated_at": "2026-01-01T12:00:00Z",
    "completeness": "partial",
    "sources": [
      {
        "platform": "us_property",
        "status": "partial"
      }
    ]
  }
}

Schema example with placeholder values; not a live source result. Actual fields, values, and completeness vary by source and request.

API details

How does the US Address Property Composite Resolve a US address property API work?

Send a POST request with your API key and accepted inputs. RealtyCrawl returns structured JSON and preserves the source context for your application.

Method

POST

Response

JSON · CSV · NDJSON

POST /v1/properties/resolve

Why RealtyCrawl

Why use RealtyCrawl for US Address Property Composite Resolve a US address property?

Keep source collection behind a shared interface so you can focus on the product you’re building.

One API key for supported operations across the RealtyCrawl catalog.
Operation-specific source fields returned in a common JSON schema.
Source identifiers, timestamps, and completeness metadata stay with the result.
50 credits per successful call, with failed calls refunded.

Developer first

How do you bring real estate data into your app?

Use familiar HTTP requests, inspect a common schema, and connect the results to the tools your team already uses.

One key, many sources

Use the same credential across supported operations and check capabilities for each source.

Property data with context

Keep currencies, area units, source identifiers, and observation times with your results.

Your language, your workflow

Call the API with cURL, Python, TypeScript, or any backend that can send an HTTP request.

PythonTypeScript{ }cURL

import requests

# Check current source availability before collecting.
response = requests.get(
    'https://realtycrawl.dev/v1/meta/capabilities',
    params={'platform': 'zillow'}
)
response.raise_for_status()
capabilities = response.json()

// Check current source availability before collecting.
const response = await fetch(
  'https://realtycrawl.dev/v1/meta/capabilities?platform=zillow'
);
if (!response.ok) throw new Error('Request failed');
const capabilities = await response.json();

curl 'https://realtycrawl.dev/v1/meta/capabilities?platform=zillow'

import requests

# Check current source availability before collecting.
response = requests.get(
    'https://realtycrawl.dev/v1/meta/capabilities',
    params={'platform': 'redfin'}
)
response.raise_for_status()
capabilities = response.json()

// Check current source availability before collecting.
const response = await fetch(
  'https://realtycrawl.dev/v1/meta/capabilities?platform=redfin'
);
if (!response.ok) throw new Error('Request failed');
const capabilities = await response.json();

curl 'https://realtycrawl.dev/v1/meta/capabilities?platform=redfin'

import requests

# Check current source availability before collecting.
response = requests.get(
    'https://realtycrawl.dev/v1/meta/capabilities',
    params={'platform': 'realtor'}
)
response.raise_for_status()
capabilities = response.json()

// Check current source availability before collecting.
const response = await fetch(
  'https://realtycrawl.dev/v1/meta/capabilities?platform=realtor'
);
if (!response.ok) throw new Error('Request failed');
const capabilities = await response.json();

curl 'https://realtycrawl.dev/v1/meta/capabilities?platform=realtor'

import requests

# Check current source availability before collecting.
response = requests.get(
    'https://realtycrawl.dev/v1/meta/capabilities',
    params={'platform': 'rightmove'}
)
response.raise_for_status()
capabilities = response.json()

// Check current source availability before collecting.
const response = await fetch(
  'https://realtycrawl.dev/v1/meta/capabilities?platform=rightmove'
);
if (!response.ok) throw new Error('Request failed');
const capabilities = await response.json();

curl 'https://realtycrawl.dev/v1/meta/capabilities?platform=rightmove'

import requests

# Check current source availability before collecting.
response = requests.get(
    'https://realtycrawl.dev/v1/meta/capabilities',
    params={'platform': 'idealista'}
)
response.raise_for_status()
capabilities = response.json()

// Check current source availability before collecting.
const response = await fetch(
  'https://realtycrawl.dev/v1/meta/capabilities?platform=idealista'
);
if (!response.ok) throw new Error('Request failed');
const capabilities = await response.json();

curl 'https://realtycrawl.dev/v1/meta/capabilities?platform=idealista'

Capability excerpt · illustrative

{
  "platform": "zillow",
  "operation": "searchPlatformListings",
  "status": "active",
  "geographies": [
    "US"
  ],
  "execution": "sync"
}

{
  "platform": "redfin",
  "operation": "searchPlatformListings",
  "status": "active",
  "geographies": [
    "US"
  ],
  "execution": "sync"
}

{
  "platform": "realtor",
  "operation": "searchPlatformListings",
  "status": "active",
  "geographies": [
    "US"
  ],
  "execution": "sync"
}

{
  "platform": "rightmove",
  "operation": "searchPlatformListings",
  "status": "active",
  "geographies": [
    "GB"
  ],
  "execution": "sync"
}

{
  "platform": "idealista",
  "operation": "searchPlatformListings",
  "status": "active",
  "geographies": [
    "ES"
  ],
  "execution": "sync"
}

ZillowRedfinRealtor.comRightmoveIdealistaBrowse the platform catalog

FAQ

Have a question?
We got answers

Find answers to common questions about US Address Property Composite requests, responses, and credits.

How can I try the US Address Property Composite Resolve a US address property API?

Create an account for 500 trial credits, check live capabilities for US Address Property Composite, and use the example request above with your API key. This operation lists 50 credits per successful call.

What does the Resolve a US address property API return?

The JSON response contains a resolution with source property candidates in data. The meta object carries request diagnostics and source outcomes. CSV/NDJSON exports contain data records with request and credit metadata in headers.

Where do I put the request parameters?

Send address in a JSON body. Optional source selectors must be supported by the selected operation.

Is this endpoint available for every market?

Availability is operation-specific. Check /v1/meta/capabilities for the platform’s live status, accepted selectors, and markets. Unavailable requests are not charged.

Is this an official US Address Property Composite endpoint?

RealtyCrawl is an independent real estate data API and is not affiliated with US Address Property Composite.

More US Address Property Composite API endpoints

Every endpoint uses the same API key and response conventions.

Read a saved property observation Read a saved portal listing Read saved property records Read a saved assessor sale Read a saved assessor snapshot Read tax-roll and portal-model estimates

Response schema

US Address Property Composite API guide

Ready to use US Address Property Composite Resolve a US address property?

Get your API key and start building a source-linked property workflow.

Get an API key

50 credits per successful call · Failed calls are refunded