Leadspace
8.2#2 in b2b contact data providersFrom $49 a monthFree planWebAPIExtension
VisitLeadspace vs Seamless.AI
Seamless.AI
7.1#32 in b2b contact data providersFree planFree planWebAPIExtension
VisitWhat both publish
| Fact | Leadspace | Seamless.AI |
|---|---|---|
| API | The v4 Single Direct API uses HTTPS, JSON, bearer authentication and the apigw.leadspace.com endpoint. | API key access is available as part of business plans, with plan eligibility and pricing details available from sales. |
| Free plan | The Starter Sidekick plan is listed at $0 and includes 25 credits per day and 100 monthly CSV and CRM exports. | Yes |
| Integrations | The listed ecosystem includes Salesforce, Marketo, HubSpot, Eloqua, Snowflake, BigQuery, REST API and an MCP Server. | The integrations page lists Salesforce, HubSpot, Microsoft Dynamics, Outreach, Salesloft, Zoho CRM, Pipedrive, and other tools; availability and capabilities vary by integration and plan. |
Leadspace plans
- StarterFree
- Solo$49 a month
- Pro$89 a month
- EnterprisePriced on request
Seamless.AI plans
- Pro—
- Enterprise—
- FreeFree
Pick Leadspace if…
You want what its maker publishes above — check its page for the details.
Pick Seamless.AI if…
You want what its maker publishes above — check its page for the details.