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SEO data for builders: tutorials, comparisons, and deep dives.
Ahrefs$129/mo
Lite plan · limited calls
Rate limited
RankParsefrom $10/mo
Pay per request
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Semrush API Review (2026): Two APIs, a $549 Gate, and Unpublished Units
An API-user's review of the Semrush API in 2026: v3 vs v4, the $549/mo Advanced gate, 40 units per backlink row, the MCP server, and where it's worth it.
September 15, 2026
RankParseHow to Export Data from Semrush (Reports, API, and the PAYG Route)
Every way to get data out of Semrush in 2026: report exports and their per-plan row limits, the v3 and v4 APIs, and a pay-per-call path for link data.
Sep 15, 2026
RankParseHow to Export Backlinks from Ahrefs (UI, API, and the $10 Alternative)
Three ways to get backlink data out of Ahrefs in 2026: the Site Explorer CSV export, API v3, and pulling the same data pay-per-call when quotas run out.
Sep 15, 2026
RankParsefrom $10/mo
Best SEO API for AI Agents in 2026: 5 MCP Servers Compared
Every major SEO vendor now has an MCP server. Compare RankParse, Ahrefs, Semrush, DataForSEO, and Serper on entry cost, auth, and agent fit — with 2026 pricing.
Sep 15, 2026
RankParsefrom $10/mo
The Best Backlink API in 2026: 6 Options Ranked by Workload
Six backlink APIs ranked honestly by workload: pay-per-call, cheapest raw rows, freshest index, deepest history. Real September 2026 pricing for each.
Sep 15, 2026
RankParsefrom $10/mo
Ahrefs API Review (2026): Units, Row Caps, and Who It's Actually For
An API-user's review of Ahrefs API v3: the unit system explained, real plan requirements from $129/mo, row caps, strengths, and where it's the wrong tool.
Sep 15, 2026
RankParsefrom $10/mo
Semrush API Pricing Explained (2026) — and 6 Cheaper Alternatives
Semrush API access requires the $549/mo Advanced plan — and that buys zero API units. Here's what it really costs in 2026, plus 6 alternatives with published PAYG pricing.
Sep 14, 2026
RankParsefrom $10/mo
Moz API Alternatives: Cheap Domain Authority APIs Compared (2026)
Moz's free API tier caps out around 50 rows a month. Compare domain authority APIs for bulk lookups — including a free open-data option and pay-per-call pricing from $0.006.
Sep 14, 2026
RankParsefrom $10/mo
7 Ahrefs API Alternatives That Don't Require a $129/mo Plan (2026)
Ahrefs API v3 starts at $129/mo plus units, roughly $5 per 1,000 backlinks. Compare 7 alternatives with real 2026 pricing, from $0.01 pay-as-you-go calls.
Sep 14, 2026
RankParsefrom $10/mo
DataForSEO Alternatives: The Best Backlinks API for Developers in 2026
A developer's breakdown of DataForSEO alternatives: the $50 minimum, the task+row pricing math, the Basic Auth, the nested envelope. Why RankParse is the #1 backlinks API alternative, with source-verified cost numbers.
Jul 20, 2026
Why we priced RankParse at $0.01 per credit: the math behind it
An honest breakdown of our pricing: the cost structure behind Common Crawl data, why credits never expire, and who this model is wrong for.
May 19, 2026
Enrich a Lead List with SEO Data in Python (RankParse API)
Enrich a prospect CSV with domain authority, referring domains, and domain age using Python and the RankParse API. Full async script, tiering, and cost math.
May 17, 2026
Domain Authority vs Domain Rating: What's the Difference?
Domain Authority (Moz) and Domain Rating (Ahrefs) both score link strength 0-100, but they use different crawlers, formulas, and update cycles. Here's exactly what each measures and when to use which.
May 17, 2026
Find Your Competitor's Best Backlinks (Python + API)
Use the RankParse competitor-gap API to find domains linking to your competitor but not you. Working Python script, DA filtering, real stripe.com example.
May 17, 2026
7 Best Backlink Checker Tools for 2026 (Free + Paid)
Seven backlink checker tools compared: free options, paid suites, and API tools for developers. Real pricing, data freshness, and which use cases each one actually fits.
May 17, 2026
How to Audit Your Backlinks with Claude (No Code Needed)
Turn Claude into your SEO analyst. Connect RankParse via MCP, run a full backlink audit on any domain, and get risk flags and outreach targets in one conversation.
May 17, 2026
Build an AI SEO Research Agent with Claude + RankParse MCP
Turn Claude into a no-code SEO research agent. Two worked examples (a vercel.com vs netlify.com link gap analysis and a full link profile audit) with the actual MCP tool calls.
May 17, 2026
Python Backlink Checker: Pull Backlink Data with the RankParse API
Build a Python backlink checker using the RankParse SDK. Working script, pagination, bulk analysis, and error handling, all tested against real domains.
Apr 26, 2026
What Is an SEO MCP Server? (Claude, Cursor, Windsurf)
MCP turns your AI agent into a live SEO analyst. Here's what an SEO MCP server actually is, how it works, and how to connect RankParse to Claude or Cursor in under 5 minutes.
Apr 24, 2026
Ahrefs API Cost: What You're Actually Paying For (and 4 Alternatives)
Ahrefs API requires a $1,499/mo Enterprise plan, with no standalone option. An honest breakdown of who needs it, who doesn't, and four alternatives including pay-as-you-go options starting at $10.
Apr 22, 2026