# Contentladder Marketing

**Canonical:** https://apis.io/providers/apiserpent/  
**Website:** https://apiserpent.com/  
**APIs profiled:** 11

Contentladder Marketing, operating as Serpent API, provides developers with affordable, high‑volume search engine results (SERP) and related data across Google, Bing, Yahoo, DuckDuckGo, and Brave. They offer transparent per‑unit pricing, a free tier, and a suite of APIs covering web search, image, video, news, shopping, maps, and social media data. The team of marketers built the service to reduce costs for data‑driven teams and supports AI‑enhanced ranking and custom data pipelines.

## Kin Score — 25.5 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-9.0 from 34.5).

| Facet | Score |
|---|---|
| Discoverability | 60.7 |
| Contract Quality | 24.8 |
| Contract Governance | 19.7 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 29.8 |
| Access Clarity | 22.4 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 20.6 (matched via fallback).

## Agent readiness — 22.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (11)

- **Serpent API** — Provides search engine results and related data across multiple engines via REST endpoints.
- **Contentladder Marketing AI API** — The Ai API from Contentladder Marketing — 2 operation(s) for ai.
- **Contentladder Marketing Bulk API** — The Bulk API from Contentladder Marketing — 1 operation(s) for bulk.
- **Contentladder Marketing Contentladder Marketing API** — The Contentladder Marketing API API from Contentladder Marketing — 1 operation(s) for contentladder marketing api.
- **Contentladder Marketing Profile API** — The Profile API from Contentladder Marketing — 1 operation(s) for profile.
- **Contentladder Marketing Reddit API** — The Reddit API from Contentladder Marketing — 1 operation(s) for reddit.
- **Contentladder Marketing Search API** — The Search API from Contentladder Marketing — 1 operation(s) for search.
- **Contentladder Marketing Social API** — The Social API from Contentladder Marketing — 1 operation(s) for social.
- **Contentladder Marketing Tiktok API** — The Tiktok API from Contentladder Marketing — 1 operation(s) for tiktok.
- **Contentladder Marketing X API** — The X API from Contentladder Marketing — 1 operation(s) for x.
- **Contentladder Marketing Linked In API** — The Linked In API from Contentladder Marketing — 2 operation(s) for linked in.

## Security (2)

- **Apiserpent Authentication** — 1 scheme
- **Apiserpent Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, SERP, Search, Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/apiserpent/). Scores are computed from the provider's own public artifacts under a published rubric.