
DocoAPI
ReadMe
Docsmith
MintDoc.app
Mintlify
Postman
GitBook
StopLight
Sightivo
SEMRush
Moz
Ahrefs
Writesonic
Majestic
Serpstat
Otterly.AI
Sightivo is an SEO and AI visibility platform for startups that finds and prioritizes the places where they should get mentioned โ built for founders, solopreneurs and small marketing teams. Sightivo recommends the opportunities that matter most, ranked by fit, unlike large SEO suites that just give you long lists of sites that mention your competitors.
Start with just your website and Sightivo maps your market, then gives you four ways to get mentioned: get listed on directories with pre-filled submissions, reach out to authors of listicles you belong in with a pitch drafted from their article, answer live threads where your buyers are asking, and publish content targeting keyword gaps your competitors miss.
Sightivo drafts outreach with full context, and enriches contacts with verified emails, LinkedIn profiles and Twitter handles. It also covers the basics: AI visibility tracking across ChatGPT and Claude, keyword and rank tracking, competitor share of voice, backlinks and citations, directory listings, and an outreach CRM.
DocoAPI
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DocoAPI's answer
Two things no other API docs tool does simultaneously:
First, it's the only docs platform with an executable MCP server. Every DocoAPI project gets a hosted MCP endpoint at {project}.docoapi.com/mcp that lets AI coding assistants โ Cursor, Claude Code, Windsurf โ make real HTTP requests against your live API. Every other tool shipping MCP (Mintlify, ReadMe, GitBook) gives you doc search: ask a question, get text back. DocoAPI's MCP returns actual API responses. That's the difference between an AI that can explain your endpoint and one that can use it.
Second, it's built specifically for FastAPI. Not adapted โ built for. FastAPI generates an OpenAPI spec at /openapi.json by default. DocoAPI syncs directly from that URL and auto-updates every time you deploy. No MDX files, no YAML nav trees, no manual uploads. 362 million monthly FastAPI downloads, and DocoAPI is the only docs tool targeting that ecosystem directly.
Sightivo's answer:
Sightivo covers both halves of getting found: classic SEO signals and AI answer visibility, tracked against the same set of prompts and keywords. Instead of only reporting where you stand, it finds the specific directories, listicles and communities that shape those answers and hands you the ranked list of places worth pursuing.
DocoAPI's answer
If you're on Swagger UI: You're exposing your backend URL, your docs go down when your API does, and enterprise prospects are silently judging you. DocoAPI fixes all three in about 10 minutes โ paste your OpenAPI URL, get a professional hosted portal with AI search, an interactive playground, and version history. $99/month.
If you're on Mintlify: You're paying ~$300/month for docs that look great but whose MCP can only search text. DocoAPI is $99/month flat (workspace pricing, not per-seat), includes AI semantic search and an interactive playground, and the MCP actually calls your endpoints. It's bootstrapped โ no VC-driven price escalation. First 50 customers get $99 locked for life.
If you're on ReadMe: ReadMe offers MCP on their free plan, but it's search-only. ReadMe's full-featured tiers run $79โ$349/month. DocoAPI bundles AI search, playground, MCP execution, and 20-version rollback at $99 flat โ no usage tiers, no per-seat math.
The short version: DocoAPI sits in the gap between free-but-embarrassing (Swagger UI) and powerful-but-expensive (Mintlify/ReadMe). It's the most capable option under $100/month, and the only one where your AI coding assistant can call your real API.
Sightivo's answer:
AI-visibility tools stop at measurement โ they tell you which answers mention you and leave the next step to you. Sightivo turns each gap into a concrete opportunity with the page, the contact route and the prepared submission details, so a founder without an agency can act on it the same day.
DocoAPI's answer
Backend engineers, tech leads, and solo technical founders building APIs with FastAPI (or any framework that outputs an OpenAPI spec). Typically at seed-to-Series-A startups with 2โ25 engineers, or indie developers graduating a side project into a real product.
They share a profile: they've been shipping with Swagger UI at /docs because it's free and works โ but they know it's a liability. They've looked at Mintlify or ReadMe and can't justify $300/month for a docs renderer. They use AI coding assistants (Cursor, Claude Code) daily and want their API to be machine-callable, not just human-readable. They can expense $99/month without a meeting.
The one-line version: FastAPI developers who are embarrassed by Swagger UI but can't justify Mintlify's price tag.
Sightivo's answer:
Founders, solopreneurs and small marketing teams doing their own SEO and visibility work โ bootstrapped startups that can't justify agency fees or enterprise SEO tools but still need to be found in search and in AI answers.
DocoAPI's answer
DocoAPI started the way most useful tools do โ out of frustration with the bill.
Erick was using Mintlify to document his APIs. It worked fine. Then they raised their prices. For a bootstrapped developer shipping FastAPI projects, paying a premium for a docs renderer didn't make sense anymore โ especially when FastAPI already generates a complete OpenAPI spec automatically.
So he built the alternative he wanted: a docs platform that syncs directly from your OpenAPI URL, looks professional out of the box, and costs a flat $99/month. No MDX files, no manual nav trees, no surprise pricing changes. Along the way, he added what Mintlify and the rest still haven't โ a hosted MCP server that lets AI coding assistants make real HTTP calls against your API, not just search your docs.
DocoAPI launched on April 8, 2026. It's bootstrapped, built by a single developer, and priced to stay where it is. No VC money means no investor pressure to triple the price after the next funding round โ which is exactly the problem that created DocoAPI in the first place.
Sightivo's answer:
It started from understanding how founders build amazing products that people can't find, and wanting to solution around that.
DocoAPI's answer
DocoAPI is built on Next.js (frontend) and Python (backend) โ a stack that reflects its audience. The backend is built by a FastAPI developer, for FastAPI developers.
The full technical stack:
DocoAPI's answer
Honest answer: we don't know of any yet. DocoAPI launched on April 8, 2026 โ yesterday. It's a Day 0 product with zero prior audience. There are no known customers, testimonials, case studies, or "used by" logos at this time.
The live demo available is the Petstore API at petstore.docoapi.com โ a reference implementation, not a customer deployment.
This is actually the #1 trust gap identified in our positioning analysis. The recommendation: collect and publish testimonials from the first 5โ10 customers as fast as possible. Even a single "I switched from Swagger UI and set it up in 10 minutes" quote changes the credibility equation for every prospect after them.
ReadMe - A collaborative developer hub for your API or code.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Docsmith - Turn OpenAPI specs into complete API docs in 60 seconds. AI-generated endpoint descriptions, curl examples, parameter tables, error codes. Exports to HTML + Markdown.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
MintDoc.app - Import your OpenAPI spec, add guides with AI, and get a production-ready developer portal in under 5 minutes โ complete with AI explanations of the why behind every endpoint, Git integrations, and code snippets in 7 languages.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!