Email pattern API
email.pattern
- Providers
- 3
- Calls, 30 days
- 28.7K
- Lowest per hit
- $0.0023
- Reviews
- 34
Overview
Hit: A pattern returned with a confidence score. Accuracy: Share of patterns that produced a verified address for a known employee.
Endpoints
Every provider of this capability, ranked by Grid score: reliability, fill, accuracy, speed and cost per verified hit, weighted.
| # | Provider | Grid score | Price | Reliability | Fill rate | Accuracy | p50 | Freshness | Per verified hit | Reviews | Last verified |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rank 1 |  Hunter Grid Choice Verified Benchmarked BYOK | 81 | $0.004per hit | 99.5%n=21K | 81.0% | 90.0% | 480 ms | 21 days | $0.0044 | Rated 4.4 out of 5(23 reviews) | |
| Rank 2 |  Tomba BYOK | 77 | $0.0025per hit | 98.7%n=7.2K | 77.0% | 87.0% | 700 ms | 30 days | $0.0029 | Rated 4.0 out of 5(8 reviews) | |
| Rank 3 |  Icypeas Verified BYOK | 61 | $0.002per hit | 98.4%n=480 · low sample | 74.0% | 86.0% | 900 ms | 18 days | $0.0023 | Rated 4.1 out of 5(3 reviews) |
Pricing
List price per call, and what one verified hit costs once misses are counted. Failed calls are free.
Performance
Fill rate, accuracy, success and gateway latency per provider over the trailing 30 days, with the sample behind each number.
Uptime
Share of calls without a vendor-side failure (errors, timeouts, capacity). Caller mistakes and refusals don't count against a vendor. Last 30 days, daily.
Sample dataIllustrative figures from the catalog's quality samples until live traffic is published
Apps
Public apps that identify themselves with X-Grid-App or HTTP-Referer and X-Title, over the last 30 days.
No public app has listed itself here yet. Add two headers to get yours ranked.
Activity
Routed calls per day over the last 30 days.
- Hunter
- Tomba
- Icypeas
| Day | Hunter | Tomba | Icypeas |
|---|---|---|---|
| Aug 28, 2026 | 748 | 274 | 14 |
| Aug 29, 2026 | 424 | 125 | 7 |
| Aug 30, 2026 | 370 | 120 | 7 |
| Aug 31, 2026 | 700 | 247 | 15 |
| Sep 1, 2026 | 650 | 297 | 12 |
| Sep 2, 2026 | 715 | 261 | 13 |
| Sep 3, 2026 | 777 | 250 | 12 |
| Sep 4, 2026 | 812 | 300 | 15 |
| Sep 5, 2026 | 364 | 157 | 6 |
| Sep 6, 2026 | 396 | 145 | 7 |
| Sep 7, 2026 | 738 | 243 | 14 |
| Sep 8, 2026 | 880 | 298 | 12 |
| Sep 9, 2026 | 676 | 308 | 15 |
| Sep 10, 2026 | 886 | 287 | 12 |
| Sep 11, 2026 | 890 | 235 | 14 |
| Sep 12, 2026 | 336 | 150 | 6 |
| Sep 13, 2026 | 377 | 133 | 6 |
| Sep 14, 2026 | 887 | 286 | 12 |
| Sep 15, 2026 | 717 | 303 | 13 |
| Sep 16, 2026 | 716 | 263 | 14 |
| Sep 17, 2026 | 745 | 300 | 14 |
| Sep 18, 2026 | 732 | 288 | 12 |
| Sep 19, 2026 | 444 | 145 | 7 |
| Sep 20, 2026 | 404 | 119 | 6 |
| Sep 21, 2026 | 770 | 310 | 14 |
| Sep 22, 2026 | 859 | 288 | 13 |
| Sep 23, 2026 | 799 | 311 | 15 |
| Sep 24, 2026 | 877 | 305 | 12 |
| Sep 25, 2026 | 824 | 286 | 13 |
| Sep 26, 2026 | 437 | 147 | 6 |
API
Same input for every provider. Add route=waterfall to fall through on misses, or provider=<slug> to pin one.
| Input | Description |
|---|---|
| domain* | Company domain (required) |
curl https://api.gridrouter.io/v1/call/email.pattern \
-H "Authorization: Bearer $GRID_KEY" \
-d '{"domain":"northwind.dev","route":"best_value"}'Fields
The normalized output every provider maps into. Suppliers come from integrated endpoint mappings (verified) or field names in each vendor's API docs (vendor-claimed).
| Field | Type | PII | Description | Supplied by |
|---|---|---|---|---|
| domain | string · domain | None | Company domain | |
| pattern | string | None | Address pattern, e.g. {first}.{last} | Not mapped yet |
| confidence | number | None | Pattern confidence | |
| sample_count | integer | None | Addresses behind the pattern | Not mapped yet |
Reviews
No written reviews yet. Reviews open after 100 routed calls on an endpoint.
Questions about this capability
What does a verified email pattern result cost?
Tomba is the lowest at $0.0029 per verified result once misses and wrong answers are counted. Its list price is $0.0025 per hit.
Which email pattern API is the most accurate?
Hunter, at 90.0% across 21K calls in the last 30 days. Accuracy here is the share of patterns that produced a verified address for a known employee.
Which email pattern API is fastest?
Hunter answers in 480 ms at the median and 1.4 s at p95.
What counts as a hit for email pattern?
A pattern returned with a confidence score. Fill rate is the share of calls that produced a hit. Per-hit endpoints bill only hits, and failed calls are never billed.
Can I use my own provider key?
Yes for Hunter, Tomba, and Icypeas. Calls on your own key are routed and scored like any other, and never metered.