TLDers Domain Prices

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com.tlders/domain-pricesv1.0.2 Domain verified

Compare domain prices across 145+ registrars and 1,100+ TLDs, find promo codes, check availability.

Cloud & DevOps

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https://www.tlders.com/api/mcp

Authorization (required)

Bearer <your TLDers API key> — get one at https://www.tlders.com/developers

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

check_domain_availability Read-only

Live availability check for a full domain name (RDAP, WHOIS fallback). available is null if the registry could not be reached.

domainstring, required

api_keystring

Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Tools (7)

check_domain_availability

Live availability check for a full domain name (RDAP, WHOIS fallback). available is null if the registry could not be reached.

read-only

Argument	Type	Description
domain*	string
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string"
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

compare_tlds

Compare registrar prices across up to 20 extensions side by side.

read-only

Argument	Type	Description
tlds*	array
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "tlds"
  ],
  "properties": {
    "tlds": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 20,
      "minItems": 1
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

find_cheapest_tlds

List domain extensions (TLDs) with the cheapest registrar for first-year registration, renewal, transfer and 3-year total. Prices in USD/year.

read-only

Argument	Type	Description
q	string	Only TLDs containing this text, e.g. "ai"
sort	string
type	string	gtld or cctld
limit	integer
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Only TLDs containing this text, e.g. \"ai\""
    },
    "sort": {
      "enum": [
        "popularity",
        "price_asc",
        "price_desc"
      ],
      "type": "string",
      "default": "popularity"
    },
    "type": {
      "type": "string",
      "description": "gtld or cctld"
    },
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

get_tld_price_history

Per-registrar registration and renewal price history for one extension.

read-only

Argument	Type	Description
tld*	string
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "tld"
  ],
  "properties": {
    "tld": {
      "type": "string"
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

get_tld_prices

Every registrar’s current register / renew / transfer price for one extension (e.g. "com", "io", "co.in"), cheapest first, plus average and median.

read-only

Argument	Type	Description
tld*	string
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "tld"
  ],
  "properties": {
    "tld": {
      "type": "string"
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

list_promo_codes

Currently active registrar promo/coupon codes, biggest discount first.

read-only

Argument	Type	Description
limit	integer
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 25,
      "maximum": 100,
      "minimum": 1
    },
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}

list_registrars

Every domain registrar TLDers tracks, with WHOIS-privacy info and number of tracked TLDs.

read-only

Argument	Type	Description
api_key	string	Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "api_key": {
      "type": "string",
      "description": "Your TLDers API key. Only needed if your client cannot send an Authorization header or use a ?key= URL."
    }
  }
}