Leadspace Authorization API handles OAuth 2.0 token issuance and refresh. It is the entry point you call first to get access to the Leadspace gateway at apigw.leadspace.com. Developers and data teams who build on Leadspace enrichment would use it to keep their integrations authorized.
About the provider: Leadspace is a B2B go-to-market data and customer data platform. Its API-first service resolves partial person and company records into fuller profiles, covering firmographics, corporate hierarchy, funding history, technology signals, buyer intent and fit scores. It offers single and bulk enrichment, contact discovery, and an intent refresh API. Leadspace also has a hosted MCP server and a Chrome extension, and it integrates with Salesforce, Marketo, Eloqua and HubSpot. The provider says it is ISO 27001 certified and SOC 2 Type II audited.
What is published for this API: OpenAPI, Documentation, BulkDocumentation and APIs.json.
Catalog ratings for the provider: Kin Score 73.3 (exemplar band). Agent Readiness 44.9 (agent-ready band), scored 2026-11-06.
Pricing: set by the provider. The catalog notes a free tier with self-serve signup.
Condition: a live hosted API listed in the APIs.io catalog. You call the provider's own endpoint.
Important: this listing is posted by the APIs.io catalog. APIs.io does not own or sell this API. You get access from the provider.
Catalog listing: https://apis.io/apis/leadspace/leadspace-authorization-api/ Provider: https://www.leadspace.com/