# has-slack-domain-verification

> has-slack-domain-verification is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).

Checks whether a domain's apex TXT records contain a Slack domain-verification token, indicating the company uses Slack.

## Facts

- Endpoint: GET https://dns.intel.rallylive.ca/dns/verification/slack?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/has-slack-domain-verification-5f3370aa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lYH8ntZMnI964pmxcxY5h

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability has-slack-domain-verification-5f3370aa
```

Example prompt: Can you check whether stripe.com has a Slack domain-verification TXT record — does it look like they use Slack?

## When to prefer this

Use this endpoint when you need to quickly determine if a specific company or domain has verified ownership with Slack, without scraping their website or querying Slack's API directly. It is ideal for OSINT, sales intelligence, due diligence, or SaaS stack discovery workflows where DNS-based signals are sufficient.

## Known failure modes

- Domain does not exist — NXDOMAIN response with no TXT records
- Domain has no TXT records at all — returns absence of Slack token
- DNS query timeout or Cloudflare DoH unavailability
- Malformed domain input causing query failure
- Token present but truncated value may not reflect full token

## How this service works

Does the domain carry a slack domain-verification TXT record? Reads the apex TXT records (Cloudflare DoH) and reports whether the slack ownership token is present and the token value (truncated). A present token usually means the company uses slack's product; absence means not verified there. $0.01 per lookup.

## Output

Returns whether the apex TXT records of the queried domain contain a Slack domain-verification token, along with the truncated token value if present, and the DNS response code from Cloudflare DoH.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/has-slack-domain-verification-5f3370aa/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dns.intel.rallylive.ca](https://www.zero.xyz/host/dns.intel.rallylive.ca/llms.txt)