A
Hunter via Locus MPP
data
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Compliance Checks
All paid ops declare 402 response
MUST
10pt
All x-payment-info valid
MUST
10pt
Challenge has Cache-Control: no-store
MUST
5pt
Challenge digest on POST
SHOULD
3pt
Challenge has expires
SHOULD
3pt
Challenge has Problem Details
SHOULD
2pt
Challenge has required params
MUST
5pt
Challenge has WWW-Authenticate
MUST
5pt
Challenge returns 402
MUST
10pt
Correct Content-Type
MUST
5pt
Has Cache-Control on discovery
SHOULD
5pt
Has input schemas
SHOULD
5pt
Has llms.txt
SHOULD
5pt
Has /openapi.json at root
MUST
10pt
Has required top-level fields
MUST
10pt
Served over HTTPS
MUST
10pt
Uses standard categories
SHOULD
2pt
1 issue
- POST endpoint challenge missing digest parameter (SHOULD per spec)
Paid Operations (8)
POST /hunter/domain-search dynamic USDC.e
Domain Search
- Amount
- dynamic
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| company | string | No | Company name to search |
| department | string | No | Department filter: 'executive', 'it', 'finance', 'management', 'sales', 'legal', 'support', 'hr', 'marketing', 'communication', 'education', 'design', 'health', 'operations' |
| domain | string | No | Domain to search (e.g. "stripe.com") |
| limit | number | No | Max emails to return (default 10) |
| offset | number | No | Offset for pagination |
| required_field | string | No | Require field: 'full_name', 'position', 'phone_number' |
| seniority | string | No | Seniority filter: 'junior', 'senior', or 'executive' |
| type | string | No | Email type filter: 'personal' or 'generic' |
| verification_status | string | No | Filter by status: 'accept_all', 'webmail', 'valid', 'invalid', 'unknown' |
POST /hunter/discover 0.008 USDC.e
Discover Companies
- Amount
- 0.008 (raw 8000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| company_type | string | No | Filter by type: 'public', 'private', 'nonprofit' |
| headcount | string | No | Filter by employee count range (e.g. '1-10', '11-50') |
| headquarters_location | string | No | Filter by headquarters location |
| industry | string | No | Filter by industry |
| keywords | string | No | Filter by keywords |
| limit | number | No | Max results (default 10) |
| offset | number | No | Offset for pagination |
| organization | string | No | Organization name to search |
| query | string | No | Free-text search query |
| similar_to | string | No | Find companies similar to this domain |
| technology | string | No | Filter by technology used |
POST /hunter/email-finder 0.013 USDC.e
Email Finder
- Amount
- 0.013 (raw 13000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| company | string | No | Company name |
| domain | string | No | Company domain (e.g. "stripe.com") |
| first_name | string | No | Person's first name |
| full_name | string | No | Person's full name (alternative to first+last) |
| last_name | string | No | Person's last name |
| linkedin_handle | string | No | LinkedIn handle (alternative to domain+name) |
| max_duration | number | No | Max processing time in seconds (3-20, default 3) |
POST /hunter/email-verifier 0.008 USDC.e
Email Verifier
- Amount
- 0.008 (raw 8000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| string | Yes | Email address to verify |
POST /hunter/email-enrichment 0.013 USDC.e
Email Enrichment
- Amount
- 0.013 (raw 13000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| string | No | Email address to enrich | |
| linkedin_handle | string | No | LinkedIn handle to enrich |
POST /hunter/company-enrichment 0.013 USDC.e
Company Enrichment
- Amount
- 0.013 (raw 13000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| domain | string | Yes | Company domain (e.g. "stripe.com") |
POST /hunter/combined-enrichment 0.023 USDC.e
Combined Enrichment
- Amount
- 0.023 (raw 23000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| string | Yes | Email address to enrich |
POST /hunter/email-count 0.003 USDC.e
Email Count
- Amount
- 0.003 (raw 3000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| company | string | No | Company name to check |
| domain | string | No | Domain to check (e.g. "stripe.com") |
| type | string | No | Filter by type: 'personal' or 'generic' |
Payment Methods
- Methods
- tempo
- Intents
- charge
- Currencies (discovery)
- USDC.e
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
Per-endpoint breakdown
- POST /hunter/company-enrichment
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /hunter/discover
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /hunter/domain-search
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
- POST /hunter/email-verifier
- 0x060b0fB0Be9d90557577B3AEE480711067149Ff0
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- -
- Challenge ID Length
- -
- Digest Binding
- -
Uptime
- Discovery
- Reachable (538ms)
- Challenge
- Reachable (532ms)
- Last Checked
Schema Completeness
- Paid Operations
- 8
- With Input Schema
- 8
- With Description
- 8
Documentation
- Homepage
- https://hunter.io
- API Reference
- https://hunter.io/api-documentation/v2
- llms.txt
- https://beta.paywithlocus.com/mpp/hunter.md reachable
Discovery
- OpenAPI URL
- https://hunter.mpp.paywithlocus.com/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 6433 bytes
- Document Hash
- 0c65191ac2922f1d8a2b179d4b84a152df332729e1ab91ffe18e417827c6f233
Version History (2 snapshots)
Grade: B (84%) → A (97%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | A | 97% | 650ms | Up |
| 2026-04-07 | A | 97% | 581ms | Up |