Address

Deliverability, territory planning, and compliance all hinge on trustworthy postal data. Delpha’s Address Finder and Address Validator keep your address records complete, correct, and standardized—so shipments arrive, analytics stay reliable, and teams can act with confidence.

What you get:

  • Completeness: Detects missing parts (number, street, city, postal code, country) and fills gaps when possible.

  • Validity: Verifies that addresses exist and follow country-specific postal rules.

  • Consistency: Compares your input to its normalized version to surface discrepancies.

  • Accuracy: Checks coherence against optional context (e.g., company name, legal ID).

Each request returns a normalized address—standardized and, when possible, enriched. If you provide context like a legal ID or company name, you’ll also receive AI-backed recommendations with confidence scores (for example, the registered legal address that best matches your input).

Together, Address Finder and Address Validator transform messy inputs into dependable, action-ready address data.

Submit address for finding and validation

post

Submit an address for finding and validation. Returns a job ID for tracking the process.

Authorizations
Body

Payload to submit a new address quality job.

nameany ofOptional

The name of the entity

Example: Delpha
stringOptional
or
nullOptional
legal_idany ofOptional

The legal ID of the entity

Example: 88052440000012
stringOptional
or
nullOptional
linkedinany ofOptional

The LinkedIn URL of the entity

Example: https://www.linkedin.com/company/delphainc/
stringOptional
or
nullOptional
websiteany ofOptional

The website URL of the entity

Example: https://delpha.io/
stringOptional
or
nullOptional
Responses
202

Job submitted to assess_address_v16

application/json
post
POST /v1/address HTTP/1.1
Host: api.delpha.io
Authorization: Bearer YOUR_OAUTH2_TOKEN
Content-Type: application/json
Accept: */*
Content-Length: 251

{
  "address": {
    "city": "Paris",
    "country": "France",
    "postal_code": "75006",
    "state": "Ile de France",
    "street": "3 AVENUE VAVIN"
  },
  "name": "Delpha",
  "legal_id": "88052440000012",
  "linkedin": "https://www.linkedin.com/company/delphainc/",
  "website": "https://delpha.io/"
}
{
  "job_id": "21014abc65004d2781d2e0ef4c9fbb46",
  "message": "Job submitted to assess_address_v16",
  "status": "SUCCESS",
  "status_code": 202
}

Get address finder and validator job status

get

Retrieve the result and status of a previously submitted address finder and validator job.

Authorizations
Path parameters
job_idstringRequired

The unique identifier of the address job

Example: {"summary":"Sample job ID","value":"21014abc65004d2781d2e0ef4c9fbb46"}
Responses
200

Job succeeded.

application/json
get
GET /v1/address/{job_id} HTTP/1.1
Host: api.delpha.io
Authorization: Bearer YOUR_OAUTH2_TOKEN
Accept: */*

{
  "message": "Job succeeded.",
  "status": "SUCCESS",
  "status_code": 200,
  "result": {
    "data_type": "address",
    "normalized_value": {
      "street_number": "3",
      "place_name": "",
      "street": "AVE Vavin",
      "full_street": "3 AVE Vavin",
      "city": "Paris",
      "state": "Ile-de-France",
      "postal_code": "75006",
      "country": "France"
    },
    "label": "Ok",
    "scores": {
      "validity": 1,
      "completeness": 1,
      "accuracy": 1,
      "consistency": 1
    },
    "recommendations": [
      {
        "address": {
          "street_number": "3",
          "place_name": "",
          "street": "AVE Vavin",
          "full_street": "3 AVE Vavin",
          "city": "Paris",
          "state": "Ile-de-France",
          "postal_code": "75006",
          "country": "France"
        },
        "score": 0.996
      }
    ]
  },
  "process_time": 0.123
}
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