# The 4 best AI prospecting and data enrichment tools (2026) — AgentsIndex

> Source: https://agentsindex.ai/categories/prospecting-and-data-enrichment (curated, re-verified)

Find leads and fill in their contact and company details for sales teams.

4 tools in this category, ranked by what we can confirm about each (a public price, an API and docs, independent sources, stated limits; payment never changes the order). Each name links to its answer-first markdown twin.

| Name | What it is | Pricing | API |
| --- | --- | --- | --- |
| [Clay](https://agentsindex.ai/clay.md) | GTM data platform with AI research agents, 150+ enrichment providers and an MCP server for ChatGPT and Claude. | Free, then $185/month | Yes |
| [Signado](https://agentsindex.ai/signado.md) | Finds LinkedIn posts and comments from your market, then scores and enriches the people behind them. | From $29/month | No |
| [Apollo](https://agentsindex.ai/apollo.md) | B2B prospecting database, outreach sequencing and enrichment, usable from Apollo, your CRM or an MCP client. | Free, then $65/seat/month | Yes |
| [Lusha](https://agentsindex.ai/lusha.md) | B2B contact, company and buying-signal data for GTM teams, reachable from an MCP server and a REST API. | Free, then $49.90/month | Yes |