gateway.apiosk.com

https://gateway.apiosk.com/email-verification/check

Shares a payout wallet with 590 other endpoints — its adoption is attributed from that shared wallet's traffic, not earned exclusively.

Validate a single email address: format, MX, SMTP mailbox check, and disposable/role/free classification with a deliverability score.

57
reliability

Reliability & health

Uptime and response time from our own unpaid probes, plus the reliability score built from them.

Uptime

97.2% avg
0% 50% 100% Thu 6 PMSun 1 AMTue 8 AMThu 4 PM

Response time

p50 710ms · p95 1296ms
0ms 900ms 1800ms Thu 6 PMSun 1 AMTue 8 AMThu 4 PM
Data table
Reliability history per time bucket over the last 7 days (hourly).
Bucket Uptime Probes Response time
8/13/2026, 6:00:00 PM 100% 1 815ms
8/13/2026, 7:00:00 PM 100% 1 517ms
8/13/2026, 8:00:00 PM 100% 1 755ms
8/13/2026, 9:00:00 PM 100% 1 520ms
8/13/2026, 11:00:00 PM 100% 1 500ms
8/14/2026, 12:00:00 AM 100% 1 498ms
8/14/2026, 1:00:00 AM 100% 1 546ms
8/14/2026, 2:00:00 AM 100% 1 516ms
8/14/2026, 3:00:00 AM 100% 1 640ms
8/14/2026, 4:00:00 AM 100% 1 502ms
8/14/2026, 6:00:00 AM 100% 1 522ms
8/14/2026, 7:00:00 AM 100% 1 1154ms
8/14/2026, 8:00:00 AM 100% 1 501ms
8/14/2026, 9:00:00 AM 100% 1 1159ms
8/14/2026, 10:00:00 AM 100% 1 515ms
8/14/2026, 11:00:00 AM 100% 1 515ms
8/14/2026, 12:00:00 PM 100% 1 511ms
8/14/2026, 2:00:00 PM 100% 1 505ms
8/14/2026, 3:00:00 PM 100% 1 598ms
8/14/2026, 4:00:00 PM 100% 1 518ms
8/14/2026, 5:00:00 PM 100% 1 524ms
8/14/2026, 6:00:00 PM 100% 1 519ms
8/14/2026, 8:00:00 PM 100% 1 617ms
8/14/2026, 9:00:00 PM 100% 1 814ms
8/14/2026, 10:00:00 PM 100% 1 576ms
8/14/2026, 11:00:00 PM 100% 1 507ms
8/15/2026, 12:00:00 AM 100% 1 521ms
8/15/2026, 1:00:00 AM 100% 1 510ms
8/15/2026, 2:00:00 AM 100% 1 528ms
8/15/2026, 3:00:00 AM 100% 1 516ms
8/15/2026, 5:00:00 AM 100% 1 524ms
8/15/2026, 6:00:00 AM 100% 1 757ms
8/15/2026, 7:00:00 AM 100% 1 734ms
8/15/2026, 8:00:00 AM 100% 1 573ms
8/15/2026, 9:00:00 AM 100% 1 722ms
8/15/2026, 10:00:00 AM 100% 1 578ms
8/15/2026, 11:00:00 AM 100% 1 534ms
8/15/2026, 1:00:00 PM 100% 1 612ms
8/15/2026, 2:00:00 PM 100% 1 512ms
8/15/2026, 3:00:00 PM 100% 1 543ms
8/15/2026, 4:00:00 PM 100% 1 507ms
8/15/2026, 5:00:00 PM 100% 1 526ms
8/15/2026, 6:00:00 PM 100% 1 733ms
8/15/2026, 8:00:00 PM 100% 1 606ms
8/15/2026, 9:00:00 PM 100% 1 1056ms
8/15/2026, 10:00:00 PM 100% 1 617ms
8/15/2026, 11:00:00 PM 100% 1 506ms
8/16/2026, 12:00:00 AM 100% 1 503ms
8/16/2026, 1:00:00 AM 100% 1 507ms
8/16/2026, 3:00:00 AM 100% 1 496ms
8/16/2026, 4:00:00 AM 100% 1 512ms
8/16/2026, 5:00:00 AM 100% 1 539ms
8/16/2026, 6:00:00 AM 100% 1 599ms
8/16/2026, 7:00:00 AM 100% 1 562ms
8/16/2026, 8:00:00 AM 100% 1 583ms
8/16/2026, 10:00:00 AM 100% 1 1155ms
8/16/2026, 11:00:00 AM 100% 1 1273ms
8/16/2026, 12:00:00 PM 100% 1 689ms
8/16/2026, 1:00:00 PM 100% 1 608ms
8/16/2026, 2:00:00 PM 100% 1 781ms
8/16/2026, 3:00:00 PM 100% 1 816ms
8/16/2026, 5:00:00 PM 100% 1 656ms
8/16/2026, 6:00:00 PM 100% 1 776ms
8/16/2026, 7:00:00 PM 100% 1 1260ms
8/16/2026, 8:00:00 PM 100% 1 1194ms
8/16/2026, 9:00:00 PM 100% 1 1482ms
8/16/2026, 10:00:00 PM 100% 1 902ms
8/17/2026, 12:00:00 AM 100% 1 1721ms
8/17/2026, 1:00:00 AM 100% 1 1194ms
8/17/2026, 2:00:00 AM 100% 1 760ms
8/17/2026, 3:00:00 AM 100% 1 1063ms
8/17/2026, 4:00:00 AM 100% 1 506ms
8/17/2026, 5:00:00 AM 100% 1 1268ms
8/17/2026, 7:00:00 AM 100% 1 888ms
8/17/2026, 8:00:00 AM 100% 1 1751ms
8/17/2026, 9:00:00 AM 100% 1 749ms
8/17/2026, 10:00:00 AM 100% 1 1169ms
8/17/2026, 11:00:00 AM 100% 1 951ms
8/17/2026, 12:00:00 PM 100% 1 1500ms
8/17/2026, 2:00:00 PM 100% 1 845ms
8/17/2026, 3:00:00 PM 100% 1 550ms
8/17/2026, 4:00:00 PM 100% 1 733ms
8/17/2026, 5:00:00 PM 100% 1 710ms
8/17/2026, 6:00:00 PM 100% 1 515ms
8/17/2026, 7:00:00 PM 100% 1 683ms
8/17/2026, 8:00:00 PM 100% 1 692ms
8/17/2026, 10:00:00 PM 100% 1 681ms
8/17/2026, 11:00:00 PM 100% 1 702ms
8/18/2026, 12:00:00 AM 100% 1 501ms
8/18/2026, 1:00:00 AM 100% 1 1007ms
8/18/2026, 2:00:00 AM 100% 1 690ms
8/18/2026, 3:00:00 AM 100% 1 709ms
8/18/2026, 5:00:00 AM 100% 1 687ms
8/18/2026, 6:00:00 AM 100% 1 713ms
8/18/2026, 7:00:00 AM 100% 1 606ms
8/18/2026, 8:00:00 AM 100% 1 703ms
8/18/2026, 9:00:00 AM 100% 1 693ms
8/18/2026, 10:00:00 AM 100% 1 713ms
8/18/2026, 12:00:00 PM 0% 1
8/18/2026, 1:00:00 PM 0% 1
8/18/2026, 2:00:00 PM 0% 1
8/18/2026, 3:00:00 PM 0% 1
8/18/2026, 4:00:00 PM 100% 1 709ms
8/18/2026, 6:00:00 PM 100% 1 721ms
8/18/2026, 7:00:00 PM 100% 1 727ms
8/18/2026, 8:00:00 PM 100% 1 729ms
8/18/2026, 9:00:00 PM 100% 1 757ms
8/18/2026, 10:00:00 PM 100% 1 844ms
8/18/2026, 11:00:00 PM 100% 1 804ms
8/19/2026, 1:00:00 AM 100% 1 710ms
8/19/2026, 2:00:00 AM 100% 1 695ms
8/19/2026, 3:00:00 AM 100% 1 723ms
8/19/2026, 4:00:00 AM 100% 1 738ms
8/19/2026, 5:00:00 AM 100% 1 742ms
8/19/2026, 6:00:00 AM 100% 1 706ms
8/19/2026, 8:00:00 AM 100% 1 711ms
8/19/2026, 9:00:00 AM 100% 1 721ms
8/19/2026, 10:00:00 AM 100% 1 710ms
8/19/2026, 11:00:00 AM 100% 1 716ms
8/19/2026, 12:00:00 PM 100% 1 725ms
8/19/2026, 1:00:00 PM 100% 1 690ms
8/19/2026, 3:00:00 PM 100% 1 713ms
8/19/2026, 4:00:00 PM 100% 1 728ms
8/19/2026, 5:00:00 PM 100% 1 722ms
8/19/2026, 6:00:00 PM 100% 1 721ms
8/19/2026, 7:00:00 PM 100% 1 722ms
8/19/2026, 8:00:00 PM 100% 1 988ms
8/19/2026, 9:00:00 PM 100% 1 758ms
8/19/2026, 11:00:00 PM 100% 1 1296ms
8/20/2026, 12:00:00 AM 100% 1 1565ms
8/20/2026, 1:00:00 AM 100% 1 726ms
8/20/2026, 2:00:00 AM 100% 1 1429ms
8/20/2026, 3:00:00 AM 100% 1 588ms
8/20/2026, 4:00:00 AM 100% 1 1105ms
8/20/2026, 6:00:00 AM 100% 1 521ms
8/20/2026, 7:00:00 AM 100% 1 714ms
8/20/2026, 8:00:00 AM 100% 1 900ms
8/20/2026, 9:00:00 AM 100% 1 801ms
8/20/2026, 10:00:00 AM 100% 1 756ms
8/20/2026, 11:00:00 AM 100% 1 1400ms
8/20/2026, 1:00:00 PM 100% 1 520ms
8/20/2026, 2:00:00 PM 100% 1 764ms
8/20/2026, 3:00:00 PM 100% 1 712ms
8/20/2026, 4:00:00 PM 100% 1 829ms
57
Composite reliability — the weighted average of the dimensions below, on a 0–100 scale.
Availability
100

How often it was reachable when we probed it (weight 35%).

Latency
85

How quickly it answers when it is up — fast scores high (weight 20%).

Security
97

Whether it serves over working TLS / https (weight 15%).

Transparency
61

Whether the operator disclosed what it does — description, schema, identity (weight 15%).

Activity
0

Observed on-chain payments to this endpoint's wallet — transactions, volume, and distinct paying wallets over the last month (weight 15%; not yet measured when we have not seen its wallet settle).

Confidence 100% — how much probe evidence backs this score. A thin history is flagged, not hidden.

See the scoring methodology for exactly how each number is computed.

Payment

Currencies
USDC
Networks
base
Facilitator
unknown
SDK
unknown

Operator

Company
inferred — unknown
Jurisdiction
Registrar
Register SPA
Domain registered
2025-11-27
Hosting network
FLYIO
Hosting country

Operator context is derived from public RDAP/TLS records and unverified. Company and country are only available for endpoints that publish them (an OV/EV TLS certificate or a non-redacted domain record); most endpoints are CDN-fronted and disclose neither.

On-chain activity (base)

35
payments (30d)
2.43
USD volume (30d)
1
paying wallets (30d)

Payments per day

last payment 7/22/2026
0 20 40 Jul 22
Data table
Settled payments per day.
Day Payments Volume (USD) Paying wallets
7/22/2026 35 2.43 1

This payout wallet is shared: figures cover all 591 endpoints paid at it, since payments cannot be attributed to one of them. Only payments settled on chains and facilitators we index.

Linked by wallet — likely same operator

On-chain agent identity and the x402 endpoint that shares its settlement wallet.

Response schema
{
  "input": {
    "discoverable": true,
    "method": "GET",
    "queryParams": {
      "email": {
        "description": "Email address to validate, e.g. support@apple.com",
        "required": true,
        "type": "string"
      },
      "format": {
        "description": "Set 1 for pretty-printed JSON.",
        "required": false,
        "type": "integer"
      },
      "smtp": {
        "description": "Set 0 to skip the live SMTP mailbox check (default 1).",
        "required": false,
        "type": "integer"
      }
    },
    "type": "http"
  },
  "output": {
    "catch_all": null,
    "did_you_mean": "",
    "disposable": false,
    "domain": "apple.com",
    "email": "support@apple.com",
    "format_valid": true,
    "free": false,
    "mx_found": true,
    "role": true,
    "score": 0.8,
    "smtp_check": true,
    "user": "support"
  }
}