Head to head
Crustdata vs FullContact
As a data enrichment API, Crustdata rates higher on the APIbenchmarks Index, 95.7 to 68.4, a 27.3-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Crustdata | FullContact |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 95.7 | 68.4 |
Specifications
| Crustdata | FullContact | |
|---|---|---|
| Best for | Real-time data for AI agents and sourcing | Identity resolution / Identity Graph |
| Free tier | Free trial credits + free-forever tier | 100 API calls/mo (Developer plan) |
| Pricing | Per credit (additive) | Per matched API call |
| Official SDKs | 5 languages | 7 languages |
Is Crustdata better than FullContact?
On the APIbenchmarks Index, Crustdata rates higher (95.7 vs 68.4). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.
Verdict in one line
Crustdata leads by 27.3 points (95.7 vs 68.4) and wins 4 of 4 criteria.
Winner by criterion
| Criterion | Winner | ||
|---|---|---|---|
| Documentation & DX | 96 | 70 | |
| Reliability | 95 | 70 | |
| Ecosystem & SDKs | 95 | 62 | |
| Accessibility | 97 | 72 |

Choose Crustdata if… / choose FullContact if…
- →documentation & dx matters most to you (96 vs 70)
- →reliability matters most to you (95 vs 70)
- →ecosystem & sdks matters most to you (95 vs 62)
- →accessibility matters most to you (97 vs 72)
- →your use case matches its focus: real-time data for ai agents and sourcing
- →you need broad SDK coverage (7 official SDKs vs 5)
- →your use case matches its focus: identity resolution / identity graph
Pricing side by side
- Model
- Per credit (additive)
- Free tier
- Free trial credits + free-forever tier
- Free tier$0/mo
- Real-time API AccessCredit-based / not publicly listed
- Flat File DatasetsCustom
- EnterpriseCustom (contact sales)
- Model
- Per matched API call
- Free tier
- 100 API calls/mo (Developer plan)
- Developer (Free)$0
- Growth$99/month
- Basic~$500/month
- Premium~$2,000/month
- Enterprise$10,000+/month (custom)
Vendor-published pricing, verified 2026-06-27 (Crustdata) and 2026-06-27 (FullContact).
SDK and language coverage
Both · 0
None
Only Crustdata · 5
REST API (HTTP, primary interface)Official MCP server (Model Context Protocol)crustdata-mcp (community pip package)crustdata-screener-mcp (community package)Composio toolkit (Claude Code, Vercel AI SDK, OpenAI Agents SDK, Mastra AI)
Only FullContact · 7
Go (official V3 client)Java 8 (official V3 client)Java 11+ (official V3 client)Python (official V3 client)Ruby (archived/legacy)PHP (archived/legacy)Postman collection
Strengths and weaknesses
- +Genuine real-time / live web indexing, returns data for untracked companies within minutes rather than serving stale batch data
- +Watcher API + webhooks push change signals (job changes, funding, promotions) the moment they're detected
- +Clean, fast, well-documented REST API that reviewers say makes integration 'almost effortless'
- –Paid plan pricing is opaque, no named tiers or list prices published; heavier endpoints gated behind enterprise/demo requests
- –Credit-based model can create unpredictable costs without active monitoring
- –No first-party SDKs, integration is raw REST (client libraries are community/third-party only)
- +Multi-field enrichment: accepts many identifier types (email, phone, name+address, social URLs/usernames, MAIDs, plus Resolve PersonIDs) to lift match rates
- +Deep attribute coverage, 900+ appendable data attributes via Person Insights Bundles (demographics, household, employment history, affinities, shopping habits)
- +Tunable confidence: ML 'Belief Vector' lets callers set confidence thresholds per request to balance precision vs. match rate
- –Real-world match rates often far below the advertised 93%, reviewers report ~40-50%, especially outside the U.S.
- –Data-quality complaints of false positives in age, employment, and education fields, with no data-freshness timestamps on attributes
- –Rate limit (~600 queries/min) too low for large batch enrichment jobs
Crustdata vs FullContact: questions
- Which has better documentation, Crustdata or FullContact?
- Crustdata scores higher on documentation and developer experience: 96 vs 70 out of 100.
- Which is more reliable, Crustdata or FullContact?
- Crustdata scores higher on reliability: 95 vs 70 out of 100.
- Do Crustdata and FullContact have a free tier?
- Crustdata: yes (Free trial credits + free-forever tier). FullContact: yes (100 API calls/mo (Developer plan)).
- How are Crustdata and FullContact priced?
- Crustdata: Per credit (additive). FullContact: Per matched API call.
- Which has more official SDKs?
- FullContact lists 7 official SDKs, Crustdata lists 5.
