Delpha API Catalog

Access Delpha’s APIs to enhance CRM data quality: detect and merge duplicates, and recommend, validate, enrich, and score company and contact data.

Our APIs help you assess, validate, enrich, and manage company and contact data at scale. From finding missing information to scoring data quality and detecting duplicates, Delpha provides a unified set of endpoints designed to keep your CRM and external systems clean, accurate, and reliable.

Find below the Delpha API Catalog. When an API is available for end users, just click on the API Name to access the API documentation

Company / Account APIs

API Name	Objective	Description
Company Address Finder	Recommend	Retrieves a company’s registered or operational addresses.
Company Phone Finder	Recommend	Finds company phone numbers.
Company Website Finder	Recommend	Finds official company websites.
Company Linkedin Finder	Recommend	Finds a company’s LinkedIn profile.
Company Legal ID Finder	Recommend	Finds a company’s legal identifier (e.g., SIREN, KVK, EIN).
Company Ultimate Parent Finder	Recommend	Identifies the ultimate parent of a company.
Company Address Validator	Validate	Validates and normalizes company addresses.
Company Phone Validator	Validate	Validates company phone numbers.
Company Website Validator	Validate	Validates correctness and activity of company websites.
Company Linkedin Validator	Validate	Validates a company’s LinkedIn profile.
Company Legal ID Validator	Validate	Validates the correctness of a company’s legal ID.
Company Ultimate Parent Validator	Validate	Validates an identified ultimate parent relationship.
Company Data Enrichment	Enrich	Enriches company profiles with external and internal data sources.
Company Data Quality Score	Score	Returns a quality score for company data across multiple dimensions.

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Contact APIs

API Name	Objective	Description
Contact Email Finder	Recommend	Finds contact email addresses.
Contact Linkedin Finder	Recommend	Finds a contact’s LinkedIn profile.
Contact Job History Finder	Recommend	Retrieves job history of a contact.
Contact Address Validator	Validate	Validates and normalizes contact addresses.
Contact Phone Validator	Validate	Validates contact phone numbers.
Contact Email Validator	Validate	Validates the correctness of contact emails.
Contact Linkedin Validator	Validate	Validates a contact’s LinkedIn profile.
Contact Job Title Validator	Validate	Validates a contact’s job title.
Contact Name Validator	Validate	Validates and normalizes contact names.
Contact Current Account Validator	Validate	Validates the link between a contact and their current account.
Contact Data Enrichment	Enrich	Enriches contact profiles with additional attributes.
Contact Email Insights	Enrich	Extracts insights from contact emails (e.g., OOO, job changes).
Contact Data Quality Score	Score	Returns a quality score for contact data across multiple dimensions.

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Duplicate Management APIs

API Name	Objective	Description
Duplicate Finder	Recommend	Detects potential duplicate records.
Duplicate Score	Score	Assigns a score to measure record duplication probability.
Duplicate Merge	Merge	Merges dup