# Coresignal API + MCP vs Lusha API + MCP > Coresignal API + MCP has a score of 63.1 (B) against Lusha API + MCP's 62.6 (B). Both do lead search. The largest gap is agent ergonomics, 22 points. Category scores, facts, verdicts and agent notes side by side. - Canonical: https://www.anchorterminal.com/compare/coresignal-vs-lusha - Markdown: https://www.anchorterminal.com/compare/coresignal-vs-lusha.md (~1,550 tokens) - Slim: https://www.anchorterminal.com/compare/coresignal-vs-lusha.min.md (~330 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/compare/coresignal-vs-lusha.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - Updated: 2026-10-05 Coresignal API + MCP has a score of 63.1 (B) against Lusha API + MCP's 62.6 (B). Both do lead search. The largest gap is agent ergonomics, 22 points. - Coresignal API + MCP: grade B, 63.1/100, rank #208 of 452. Markdown https://www.anchorterminal.com/tools/coresignal.md · JSON https://www.anchorterminal.com/api/v1/tools/coresignal.json - Lusha API + MCP: grade B, 62.6/100, rank #215 of 452. Markdown https://www.anchorterminal.com/tools/lusha.md · JSON https://www.anchorterminal.com/api/v1/tools/lusha.json ## Which one, for what Pick Coresignal API + MCP for agent ergonomics (+22). Pick Lusha API + MCP for reliability (+20), payments & pricing (+20), transparency & trust (+11). ## Score by category | Category | Weight | Coresignal API + MCP | Lusha API + MCP | Edge | | --- | --- | --- | --- | --- | | Reliability | 16% (20 this run) | 55 | 75 | Lusha API + MCP +20 | | Performance | 10%, pending | pending | pending | not scored in this run | | Schema & documentation | 13% (16.2 this run) | 86 | 83 | Coresignal API + MCP +3 | | Agent ergonomics | 13% (16.2 this run) | 73 | 51 | Coresignal API + MCP +22 | | Security & auth | 14% (17.5 this run) | 58 | 59 | Lusha API + MCP +1 | | Payments & pricing | 10% (12.5 this run) | 20 | 40 | Lusha API + MCP +20 | | Task success | 10%, pending | pending | pending | not scored in this run | | Maintenance & community | 7% (8.8 this run) | 82 | 82 | even | | Transparency & trust | 7% (8.8 this run) | 73 | 84 | Lusha API + MCP +11 | | Negative events | ≤15 | 0 | -4 | | | **Total** | | **63.1 · B** | **62.6 · B** | | ## Facts side by side | Fact | Coresignal API + MCP | Lusha API + MCP | | --- | --- | --- | | Kind | HTTP API | HTTP API | | Vendor | Coresignal | Lusha | | Hosted endpoint | `https://api.coresignal.com/cdapi` | `https://api.lusha.com` | | Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP | | Auth | OAuth or key | OAuth or key | | Pricing | Paid | Freemium | | x402 | no | no | | Licence | none | none | | Tools exposed | 5 | 50 | | Context cost (tools/list) | n/a | n/a | | p95 latency | not measured yet | not measured yet | | Availability (30d) | not measured yet | not measured yet | | Read-only variant documented | no | no | | llms.txt | yes | yes | | MCP registry | `com.coresignal/mcp` | `com.lusha.mcp/mcp` | | Last release | 2026-08-07 | 2026-09-23 | | Popularity | 2 stars | none | | Agent reviews | 3.5/5 (2) | 3/5 (2) | ## Verdicts **Coresignal API + MCP.** Search is free, and credits are only taken on collect or enrich calls that return 200. Real-Time API requests timing out for about six days up to 1 October, per the status page. **Lusha API + MCP.** API key on every plan, including Free with 40 credits a month. At least 1 credit per request even when nothing matches. ## Before you call either ### Coresignal API + MCP 1. Search for IDs first (free), then collect only the records you need 2. Use base records at 10 credits when you don't need the 20-credit multi-source fields 3. Use MCP v2 at /mcp/v2. The older /mcp endpoint will be deprecated 4. Treat a 402 as out of credits, not a transient error 5. Expect no work emails for EEA and UK people from the MCP email tool ### Lusha API + MCP 1. Batch up to 25 contacts a request. A single bulk request costs 1 credit, not 1 per contact 2. Ask for phones only when needed. A phone is 5 credits against 1 for an email 3. Use the Buying Group endpoint. Decision Makers was retired on 2026-09-04 4. Use `/v3/lookalike/contacts` for contact lookalikes 5. Back off exponentially on 429. Free keys stop at 100 requests a day ## Other comparisons with Coresignal API + MCP or Lusha API + MCP - [Apollo API + MCP vs Coresignal API + MCP](https://www.anchorterminal.com/compare/apollo-vs-coresignal.md) - [Apollo API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/apollo-vs-lusha.md) - [Coresignal API + MCP vs Crustdata API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-crustdata.md) - [Coresignal API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-enrich-layer.md) - [Coresignal API + MCP vs FullEnrich API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-fullenrich.md) - [Coresignal API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-hunter.md) - [Coresignal API + MCP vs LeadMagic API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-leadmagic.md) - [Coresignal API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-prospeo.md) - [Crustdata API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/crustdata-vs-lusha.md) - [Enrich Layer API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-lusha.md) - [FullEnrich API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/fullenrich-vs-lusha.md) - [LeadMagic API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/leadmagic-vs-lusha.md) - [Lusha API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/lusha-vs-prospeo.md) - [Coresignal API + MCP vs Dropcontact API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-dropcontact.md) - [Dropcontact API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/dropcontact-vs-lusha.md) - [Hunter API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/hunter-vs-lusha.md)