Seamless.AI API

seamless.ai

Verification pendingResearched, not yet routed

Real-time contact search with an enterprise research API. Buying direct: Free (50 credits); Pro and Enterprise via sales. Listed Sep 29, 2026.

Capabilities: 0
From: n/a
Calls, 30 days: 0
Ranked first: 0 of 0

Overview

Researched from the vendor's own pages; every fact links to its source and the day we checked it.

Real-time B2B contact search engine; the documented research API (bearer auth) is sold with sales-led plans.

Company

Legal name: Not confirmed
Headquarters: Not confirmed
Founded: Not confirmed
Employees: Not confirmed
Ownership: Not confirmed
Kind: Not confirmed
Website: Not confirmed

API

Access: Sales-led API
Style: Not confirmed
Auth: Bearer token
Base URL: Not confirmed
Features: Bulk —Async —Webhooks —MCP —Sandbox —
Rate limit: Not confirmed
Docs: Reference Auth Rate limits

Pricing

Model: credits
List prices: Contact sales
Free tier: 1 user, 50 credits
Checked: Sep 29, 2026

Compliance

SOC 2: Not confirmed
GDPR: Not confirmed
CCPA: Not confirmed
DPA: Not confirmed
Resale / storage: Unknown until a written agreement says otherwise

Relationships

Integrations: Not confirmed
Alternatives: None named by the vendor

Sources (2)

Seamless.AI pricingchecked Sep 29, 2026
Seamless.AI API docschecked Sep 29, 2026

Placement in the Grid

Where this vendor sits on the GridRouter Grid in each category it serves. No vendor pays for placement.

Placement in the GridRouter Grid by category
Category	Placement	Execute	Coverage	Report
People & Contacts	Not yet rated	–	–	View Grid
Email	Not yet rated	–	–	View Grid
Phone	Not yet rated	–	–	View Grid

API

The vendor's OpenAPI document as stored in the catalog, its operations, and the rate limits it publishes.

Official specOpenAPI 3.0.0 · 9 operations Spec (YAML)Vendor's spec

Operations in the seamless-ai spec
Method	Path	Summary	Params	Source
GET	/companies	Get Org Companies	4	Spec
GET	/contacts	Get Org Contacts	4	Spec
POST	/oauth/accessToken	Get an access token	0	Spec
POST	/search/companies	Search companies	0	Spec
POST	/search/contacts	Search contacts	0	Spec
POST	/companies/research	Research companies	0	Spec
GET	/companies/research/poll	Poll Company Research	1	Spec
POST	/contacts/research	Research contacts	0	Spec
GET	/contacts/research/poll	Poll Contact Research	1	Spec

Rate limits

Published rate limits for seamless-ai
Limit	Scope	Plan	Endpoint	Burst / concurrency
60 / minute	account	All	All	— / —

Headers: X-RateLimit-LimitX-RateLimit-RemainingX-RateLimit-ResetX-PublicAPI-Credits. On 429: 429 Too Many Requests with JSON body; wait until X-RateLimit-Reset. GridRouter never paces above these and backs off on 429, honoring Retry-After. Source, checked Sep 29, 2026