API reference

POSTSearch clients by email, phone or address

POST /v1/clients/search: Search clients by email, phone or address

POSThttps://api.light-ai.app/v1/clients/search

Scope	`clients:read`
Credential	API key: `Authorization: Bearer lai_live_…` (or `lai_test_…`). Partner keys add `Light-AI-Organization`.
Test mode	Works with test keys against simulated test objects.

Headers#

Light-AI-Organizationstring#

Partner keys: the connected organization to act for (org_…). Organization keys may omit it. Id prefix org_.

Light-AI-Versionstring#

Pin a dated API version (defaults to the key's version). One of: 2026-11-01.

Request body#

emailstring | null#

An email address ("" or null: absent). At most 254 characters.

phonestring | null#

At most 40 characters.

addressobject | null#

address.line1string | null#

At most 200 characters.

address.line2string | null#

At most 200 characters.

address.citystring | null#

At most 120 characters.

address.regionstring | null#

State or region, e.g. TX. At most 120 characters.

address.postal_codestring | null#

At most 20 characters.

address.countrystring | null#

ISO 3166-1 alpha-2 in any case, or a common name ("USA", "United States"); normalized to alpha-2. Defaults to US. At most 60 characters.

address.formattedstring | null#

A one-line address, when components are not available. At most 500 characters.

address.latnumber | null#

-90–90.

address.lngnumber | null#

-180–180.

address.place_idstring | null#

Google place id, when known (best dedupe key). At most 300 characters.

Response 200#

Matching clients (at most 100).

objectstringrequired#

Always list.

dataobject[]required#

data[].idstringrequired#

Id prefix cli_.

data[].objectstringrequired#

Always client.

data[].livemodebooleanrequired#

false for objects created with a test key.

data[].first_namestring | nullrequired#

data[].last_namestring | nullrequired#

data[].emailstring | nullrequired#

data[].phonestring | nullrequired#

E.164, or null when the stored number could not be normalized (see phone_raw).

data[].phone_rawstring | nullrequired#

The number as stored in Light AI.

data[].primary_propertyobject | nullrequired#

data[].primary_property.idstringrequired#

Id prefix prop_.

data[].primary_property.objectstringrequired#

Always property.

data[].primary_property.client_idstring | nullrequired#

Id prefix cli_.

data[].primary_property.is_primarybooleanrequired#

data[].primary_property.property_typestring | nullrequired#

data[].primary_property.addressobject | nullrequired#

data[].primary_property.created_attimestamprequired#

RFC 3339 timestamp (UTC, milliseconds).

data[].primary_property.updated_attimestamprequired#

RFC 3339 timestamp (UTC, milliseconds).

data[].property_countintegerrequired#

data[].external_refsobject[]required#

data[].external_refs[].systemstringrequired#

data[].external_refs[].namespacestring | nullrequired#

data[].external_refs[].idstringrequired#

data[].external_refs[].ownerstringrequired#

self: written by your integration (editable); others are read-only. One of: self, organization, partner.

data[].external_refs[].read_onlybooleanrequired#

data[].created_attimestamprequired#

RFC 3339 timestamp (UTC, milliseconds).

data[].updated_attimestamprequired#

RFC 3339 timestamp (UTC, milliseconds).

data[].fixtureboolean#

Always true.

has_morebooleanrequired#

next_cursorstring | nullrequired#

Pass as cursor to fetch the next page.

Errors#

Status	Meaning
`400`	Bad request. `bad_request`, `test_mode_mismatch`, `test_mode_unsupported`, `unsupported_api_version`
`401`	Missing or invalid credential. `authentication_required`, `invalid_api_key`, `api_key_revoked`, `api_key_expired`, `api_key_suspended`
`403`	Not allowed. `insufficient_scope`, `plan_upgrade_required`, `organization_paused`, `organization_off_season`, `api_disabled`, `api_access_not_enabled`, `ip_not_allowed`, `forbidden`
`404`	Not found (also for objects of other organizations and for organizations without an active grant).
`409`	Conflict. `stale_state`, `conflict`, `idempotency_in_progress`, `idempotency_scope_mismatch`, `quote_already_decided`, `quote_not_current`, `billing_review_required`
`413`	Request bodies are limited to 256 KB.
`415`	The body is not JSON: send Content-Type: application/json. `unsupported_media_type`
`422`	Validation failed. `idempotency_key_reused`
`429`	Rate limited or daily cap reached. See Retry-After and the RateLimit headers. `rate_limited`, `daily_cap_reached`
`500`	Unexpected server error. Safe to retry with exponential backoff; quote the Request-Id to support. `internal_error`
`503`	Temporarily unavailable. Retry with exponential backoff. `service_unavailable`

Request

curl -X POST "https://api.light-ai.app/v1/clients/search" \
  -H "Authorization: Bearer $LIGHT_AI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "email": "dana@example.com"
}'

const response = await fetch('https://api.light-ai.app/v1/clients/search', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.LIGHT_AI_API_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "email": "dana@example.com"
  }),
});
const data = await response.json();

import os, uuid, requests

response = requests.post(
    "https://api.light-ai.app/v1/clients/search",
    headers={
        "Authorization": f"Bearer {os.environ['LIGHT_AI_API_KEY']}",
    },
    json={
      "email": "dana@example.com"
    },
    timeout=30,
)
data = response.json()

Response 200JSON

{
  "object": "list",
  "data": [
    {
      "id": "cli_3f9c2a7be41d…",
      "object": "client",
      "livemode": false,
      "first_name": "Dana",
      "last_name": "Reyes",
      "email": "dana@example.com",
      "phone": "+15125550134",
      "phone_raw": "string",
      "primary_property": {
        "id": "prop_3f9c2a7be41d…",
        "object": "property",
        "client_id": "cli_3f9c2a7be41d…",
        "is_primary": true,
        "property_type": "string",
        "address": {
          "line1": {},
          "line2": {},
          "city": {},
          "region": {},
          "postal_code": {},
          "country": {},
          "formatted": "string",
          "lat": {},
          "lng": {}
        },
        "created_at": "2026-10-12T14:03:11.000Z",
        "updated_at": "2026-10-12T14:03:11.000Z"
      },
      "property_count": 1,
      "external_refs": [
        {
          "system": "string",
          "namespace": "string",
          "id": "string",
          "owner": "self",
          "read_only": true
        }
      ],
      "created_at": "2026-10-12T14:03:11.000Z",
      "updated_at": "2026-10-12T14:03:11.000Z",
      "fixture": true
    }
  ],
  "has_more": true,
  "next_cursor": "string"
}