TrestleIQPeople DataEnrichment

Validate a US address

trestleiq.people.address.verify

Validate and USPS-normalize one US postal address

Price: $0.01/callAt provider cost
Success rate: —No success-rate data yetNo success-rate data yet
Latency p50: ——
Last verified: Sep 21, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/trestleiq.people.address.verify?city=Seattle&state_code=WA&postal_code=98101&street_line_1=1+This+Address+Does+Not+Exist

Preview

Try onlineProvider docs ↗

Uses platform quota
Synchronous response
Reads public data

Parameters

US addresses only. This validation product returns normalized address fields and coordinates, not Reverse Address residents. Trestle returns a billable HTTP 200 Missing Input response when street_line_1 is absent, so treg requires it locally.

Parameter	Type	Required	Example
Query parameters
`city`	string	Optional	`Bellevue`
`state_code`	string	Optional	`WA`
`postal_code`	string	Optional	`98004`
`street_line_1`	string	Required	`800 Bellevue Way NE`
`street_line_2`	string	Optional

Query parameters
citystringOptional
Example: Bellevue
state_codestringOptional
Example: WA
postal_codestringOptional
Example: 98004
street_line_1stringRequired
Example: 800 Bellevue Way NE
street_line_2stringOptional

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/trestleiq.people.address.verify?city=Seattle&state_code=WA&postal_code=98101&street_line_1=1+This+Address+Does+Not+Exist' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/trestleiq.people.address.verify?city=Seattle&state_code=WA&postal_code=98101&street_line_1=1+This+Address+Does+Not+Exist",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/trestleiq.people.address.verify?city=Seattle&state_code=WA&postal_code=98101&street_line_1=1+This+Address+Does+Not+Exist", {
  method: "GET",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
  },
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at $0.01/call, including the service fee.