API Codex
Email Deliverability API

Documentation

Endpoint:https://email-deliverability-api.p.rapidapi.com

Deliverability Check

GET
https://email-deliverability-api.p.rapidapi.com
/v1/deliverability

Analyzes DNS records of a domain (SPF, DKIM, DMARC, PTR) and provides a deliverability score along with actionable improvements.

Deliverability Check › query Parameters

  • domainstring · required

    The domain name to evaluate (e.g., example.com)

    Example: example.com
  • ipstring · ipv4

    The IP address for PTR record validation

    Example: 192.0.2.1

Deliverability Check › Responses

Successful operation

  • domainstring · required

    The domain name that was evaluated

    Example: example.com
  • scoreinteger · min: 0 · max: 100 · required

    The overall deliverability score (0-100)

    Example: 85
  • improvementsstring[] · required

    List of actionable improvements to enhance deliverability

    Example: ["Add a valid DKIM record to help verify the sender's identity.","Configure a valid reverse DNS (PTR) record for better server reputation."]
  • dns_resultsobject · required
  • recordsobject
  • reverse_dnsstring

    The PTR record of the provided IP address (if available)

    Example: mail.example.com
  • ip_in_spfboolean

    Indicates whether the provided IP address is included in the SPF record

    Example: true