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Seamless.AI

Seamless.AI is a B2B sales intelligence platform that provides real-time contact and company data to help sales teams find and connect with their ideal customers. The platform uses artificial intelligence to continuously verify and update contact information including emails, direct dials, and mobile numbers. Seamless.AI offers a RESTful API secured with OAuth 2.0 and API key authentication, enabling developers to integrate contact search, company search, enrichment, and job-change intelligence directly into CRM systems, marketing platforms, and internal sales tools.

2 APIs 0 Features
B2BContact DataSales IntelligenceProspectingLead GenerationCRM Enrichment

APIs

Seamless.AI Contacts API

The Seamless.AI Contacts API provides programmatic access to contact search, enrichment, and research capabilities. Search for B2B contacts by name, company, title, and location...

Seamless.AI Companies API

The Seamless.AI Companies API enables programmatic search and research of company data including firmographics, revenue, employee count, technology stack, and company intelligen...

Semantic Vocabularies

Seamless Ai Context

19 classes · 4 properties

JSON-LD

API Governance Rules

Seamless.AI API Rules

8 rules · 3 errors 4 warnings 1 info

SPECTRAL

JSON Structure

Seamless Ai Contact Structure

12 properties

JSON STRUCTURE

Example Payloads

Seamless Ai Search Contacts Example

2 fields

EXAMPLE

Resources

🔗
LinkedIn
LinkedIn
🔗
Website
Website
🔗
Documentation
Documentation
🔗
Overview
Overview
🚀
GettingStarted
GettingStarted
🔗
Glossary
Glossary
📰
Blog
Blog
🔗
JSONSchema
JSONSchema
🔗
JSONSchema
JSONSchema
🔗
JSONStructure
JSONStructure
🔗
JSONLDContext
JSONLDContext
💻
Example
Example
🔗
SpectralRuleset
SpectralRuleset
🔗
Vocabulary
Vocabulary
🔗
LLMsTxt
LLMsTxt

Sources

Raw ↑ 
aid: seamless-ai
url: https://raw.githubusercontent.com/api-evangelist/seamless-ai/refs/heads/main/apis.yml
apis:
  - aid: seamless-ai:seamless-ai-contacts-api
    name: Seamless.AI Contacts API
    tags:
      - Contacts
      - Sales Intelligence
      - B2B
      - Prospecting
    humanURL: https://docs.seamless.ai/
    baseURL: https://api.seamless.ai
    properties:
      - url: openapi/seamless-ai-contacts-openapi.yml
        type: OpenAPI
      - url: https://docs.seamless.ai/
        type: Documentation
    description: >-
      The Seamless.AI Contacts API provides programmatic access to contact search, enrichment, and research
      capabilities. Search for B2B contacts by name, company, title, and location. Enrich existing contact records with
      emails, phone numbers, and job history. Access job-change intelligence to identify contacts that have recently
      changed roles.
  - aid: seamless-ai:seamless-ai-companies-api
    name: Seamless.AI Companies API
    tags:
      - Companies
      - Firmographics
      - Sales Intelligence
      - B2B
    humanURL: https://docs.seamless.ai/
    baseURL: https://api.seamless.ai
    properties:
      - url: openapi/seamless-ai-companies-openapi.yml
        type: OpenAPI
      - url: https://docs.seamless.ai/
        type: Documentation
    description: >-
      The Seamless.AI Companies API enables programmatic search and research of company data including firmographics,
      revenue, employee count, technology stack, and company intelligence. Use company search result IDs or direct
      identifiers such as domain or company name to retrieve comprehensive company profiles.
name: Seamless.AI
tags:
  - B2B
  - Contact Data
  - Sales Intelligence
  - Prospecting
  - Lead Generation
  - CRM Enrichment
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
access: 3rd-Party
created: '2026-05-02'
modified: '2026-05-19'
position: Consuming
description: >-
  Seamless.AI is a B2B sales intelligence platform that provides real-time contact and company data to help sales teams
  find and connect with their ideal customers. The platform uses artificial intelligence to continuously verify and
  update contact information including emails, direct dials, and mobile numbers. Seamless.AI offers a RESTful API
  secured with OAuth 2.0 and API key authentication, enabling developers to integrate contact search, company search,
  enrichment, and job-change intelligence directly into CRM systems, marketing platforms, and internal sales tools.
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com
specificationVersion: '0.19'
common:
  - type: LinkedIn
    url: https://www.linkedin.com/company/seamlessai
  - name: Website
    url: https://seamless.ai
    type: Website
  - name: API Documentation
    url: https://docs.seamless.ai/
    type: Documentation
  - name: API Overview
    url: https://seamless.ai/products/api
    type: Overview
  - name: Getting Started
    url: https://seamless.ai/customers/education/articles/seamless-ai-api-overview
    type: GettingStarted
  - name: API Terms Glossary
    url: https://seamless.ai/customers/education/articles/api-terms-glossary
    type: Glossary
  - name: CRM Enrichment
    url: https://seamless.ai/news/releases/api
    type: Blog
  - url: json-schema/seamless-ai-contact-schema.json
    type: JSONSchema
  - url: json-schema/seamless-ai-company-schema.json
    type: JSONSchema
  - url: json-structure/seamless-ai-contact-structure.json
    type: JSONStructure
  - url: json-ld/seamless-ai-context.jsonld
    type: JSONLDContext
  - url: examples/seamless-ai-search-contacts-example.json
    type: Example
  - url: rules/seamless-ai-rules.yml
    type: SpectralRuleset
  - url: vocabulary/seamless-ai-vocabulary.yml
    type: Vocabulary
  - type: LLMsTxt
    url: https://docs.seamless.ai/llms.txt