# Explorium

**Canonical:** https://apis.io/providers/explorium/  
**Website:** https://www.explorium.ai  
**APIs profiled:** 22

Explorium is the B2B data layer for AI agents and go-to-market systems. Its AgentSource platform is one external-data and enrichment API plus a hosted MCP server, resolving, fetching, enriching and monitoring a company dataset and a people dataset aggregated from 100+ external sources. The REST API at https://api.explorium.ai publishes an anonymous OpenAPI 3.1 description covering 127 operations across two parallel surfaces - v1 (stable) and v2 (beta) - spanning entity matching, filtered fetch with cursor pagination, market-sizing statistics, autocomplete, seventeen company enrichment families and three people enrichment families (single, bulk to 50, and asynchronous to 10,000), AI-powered research, eighteen business and prospect event types delivered over HMAC-signed webhooks, and a shared prepaid credit pool that meters every call. Authentication is an api_key header on REST and OAuth 2.0 on MCP. Explorium is unusually agent-forward at the discovery layer, serving an RFC 9727 api-catalog, a conformant A2A agent card, an MCP server card, an ARD capability catalog, an agent-skills index and llms.txt from its own domain.

## Kin Score — 69.9 / 100 (exemplar)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 69.9).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 60.7 |
| Governance | 30.3 |
| Contract Governance | 30.3 |
| Operational Transparency | 57.9 |
| Developer Ergonomics | 71.4 |
| Commercial Clarity | 100.0 |
| Access Clarity | 100.0 |

## Agent readiness — 59.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | yes |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | no |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (22)

- **Explorium AgentSource MCP Server** — Native remote Model Context Protocol server exposing the AgentSource data as 11 agent tools - match-business, fetch-businesses, fetch-businesses- statistics, fetch-businesses-ev...
- **Explorium Businesses API** — Match, fetch, stat, autocomplete, and event/enrollment operations over the Explorium business dataset (v1).
- **Explorium Credits API** — Inspect the shared credit pool that meters all Explorium API usage, including the credit menu and consumption aggregation (v1).
- **Explorium Prospects API** — Match, fetch, stat, autocomplete, and event/enrollment operations over the Explorium prospect dataset (v1).
- **Explorium Webhooks API** — Register, retrieve, delete, and connectivity-test the webhook endpoints that receive Explorium business and prospect event notifications (v1).
- **Explorium Async Enrichment Jobs API** — Submit any v2 company or people enrichment — plus AI research — as an asynchronous job over an uploaded entity-ID dataset.
- **Explorium Async Jobs API** — List, poll, and cancel the asynchronous enrichment jobs that back batch runs of up to 10,000 records (v2).
- **Explorium Bulk Business Enrichments API** — Bulk (multi-record) versions of every v1 company enrichment, processing up to 50 business IDs per request.
- **Explorium Business Enrichments API** — Single-record company enrichments (v1): firmographics, technographics, webstack, website traffic and changes, financial indicators, funding and acquisition, workforce trends, co...
- **Explorium Custom Enrichments API** — Run a customer-specific custom enrichment, single-record or in bulk, by custom enrichment ID.
- **Explorium Entity ID Datasets API** — Upload an entity-ID dataset that asynchronous v2 enrichment jobs run against.
- **Explorium Healthcheck API** — Liveness and payload-size health probes for the Explorium AgentSource service.
- **Explorium Prospects Bulk Enrichments API** — Bulk (multi-record) versions of the v1 people enrichments, processing up to 50 prospect IDs per request.
- **Explorium Prospects Enrichments API** — Single-record people enrichments (v1): contact information, professional profiles, and LinkedIn posts for a matched prospect.
- **Explorium V2 Autocomplete API** — Resolve free-text input to the standardized filter values the v2 search API accepts.
- **Explorium V2 Business Enrichments API** — Synchronous v2 company enrichments — the same seventeen attribute families as v1, on the unified v2 request shape.
- **Explorium V2 Businesses API** — Match, fetch, and stat over the company dataset on the v2 (beta) surface, where bulk and single input share one endpoint.
- **Explorium V2 Credits API** — Credit balance and consumption aggregation on the v2 (beta) surface.
- **Explorium V2 Prospect Enrichments API** — Synchronous v2 people enrichments: contact information, professional profiles, and LinkedIn posts.
- **Explorium V2 Prospects API** — Match, fetch, and stat over the people dataset on the v2 (beta) surface.
- **Explorium V2 Research API** — Run a custom, AI-powered research task over a list of businesses or prospects using a natural-language query or prompt template, grounded in real-time web data (beta).
- **Explorium Version API** — Report the deployed version of the Explorium AgentSource service.

## MCP servers (2)

- **Explorium MCP Server**
- **Explorium MCP Server**

## Agentic access (1)

- **Explorium Agentic Access** — 127 operations · 113 acting

## Security (4)

- **Explorium Authentication** — apiKey · 1 scheme
- **Explorium Domain Security** — TLSv1.3 · HSTS · DMARC
- **Explorium Vulnerability Disclosure** — Hackerone
- **Explorium Trust Center** — SOC 2, ISO 27001, GDPR, CCPA

## Plans (1)

- **Explorium Plans Pricing**

## Tags

Data Enrichment, B2B Data, Company Data, Prospect Enrichment, Firmographics, Technographics, Web Intelligence, Reference Data, AI Agents, MCP, Agent Readiness, Sales Intelligence, Business Events, Webhook, Market Intelligence

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/explorium/). Scores are computed from the provider's own public artifacts under a published rubric.