NameSilo

NameSilo is a domain registrar and web services provider offering domain registration, hosting, email, and SSL solutions. NameSilo exposes a Domain API enabling programmatic domain search, registration, and management via HTTPS GET requests with XML or JSON responses, plus an MCP server for AI agents.

NameSilo publishes 1 API on the APIs.io network. Tagged areas include Domains, Domain Registrar, DNS, Hosting, and SSL.

NameSilo’s developer surface includes documentation, signup flow, pricing, support, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
27.5/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs
DomainsDomain RegistrarDNSHostingSSLEmail

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 27.5/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.6 / 20
Commercial Clarity 14.2 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/namesilo: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

NameSilo Domain API

The NameSilo Domain API allows developers to search, register, transfer, renew, and manage domains programmatically. All API calls use HTTPS GET requests and return XML or JSON....

Pricing Plans 1

Published pricing tiers and plan structures.

Namesilo Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Namesilo Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Namesilo Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Namesilo Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: namesilo
name: NameSilo
description: NameSilo is a domain registrar and web services provider offering domain registration, hosting, email, and SSL
  solutions. NameSilo exposes a Domain API enabling programmatic domain search, registration, and management via HTTPS GET
  requests with XML or JSON responses, plus an MCP server for AI agents.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/namesilo.png
tags:
- Domains
- Domain Registrar
- DNS
- Hosting
- SSL
- Email
created: '2025-02-09'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/namesilo/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: namesilo:namesilo
  name: NameSilo Domain API
  description: The NameSilo Domain API allows developers to search, register, transfer, renew, and manage domains programmatically.
    All API calls use HTTPS GET requests and return XML or JSON. A sandbox environment is available for testing.
  humanURL: https://www.namesilo.com/
  tags:
  - Domains
  - Domain Registrar
  - DNS
  properties:
  - type: Documentation
    url: https://www.namesilo.com/api-reference
  - type: Reference
    url: https://www.namesilo.com/api-reference
  - type: MCP Server
    url: https://mcp.namesilo.com
common:
- type: DomainSecurity
  url: security/namesilo-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/namesilo
- type: LinkedIn
  url: https://www.linkedin.com/company/namesilo
- type: Website
  url: https://www.namesilo.com/
- type: Documentation
  url: https://www.namesilo.com/api-reference
- type: Signup
  url: https://www.namesilo.com/account/api-manager
- type: Pricing
  url: https://www.namesilo.com/pricing
- type: Support
  url: https://www.namesilo.com/support
- type: TermsOfService
  url: https://www.namesilo.com/terms-and-conditions
- type: PrivacyPolicy
  url: https://www.namesilo.com/privacy-policy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com