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Tick Compare on any two to four cards to put them side by side.

Free
3.9 /5 Toolio reviewer

Highlights text on any page and sends it to the AITTIA API for instant analysis.

not yet checked

AI2sql Chrome Extension

API Development
Free
3.9 /5 Toolio reviewer

Turns a plain-language description into a working SQL query in seconds.

not yet checked

Rispose

API Development
$29 per month
4.0 /5 Toolio reviewer

Build and embed custom AI agents on any site or platform.

not yet checked

Stable Diffusion API

API Development
$149/mo
4.0 /5 Toolio reviewer

Developers who need fast image generation with a free tier.

not yet checked

Stable Diffusion 3

API Development
$5 per month
4.0 /5 Toolio reviewer

Generate detailed text-to-image content for artistic projects and designs. Ultra-detailed textures.

not yet checked

Sky Vern

API Development
Free
4.0 /5 Toolio reviewer

Automate any website workflow.

not yet checked

Luxand

API Development
$9 per month
4.1 /5 Toolio reviewer

Free up to 500 API requests monthly.

not yet checked

Listen Robo

API Development
Free
3.9 /5 Toolio reviewer

This tool warns of resource exhaustion and unresponsive servers.

not yet checked

FormX AI

API Development
from $0.30
4.0 /5 Toolio reviewer

FormX.ai suits small businesses but may not scale well for larger enterprises.

not yet checked

Create Easily

API Development
Free
3.9 /5 Toolio reviewer

Transcribes English audio into text and exports subtitles as txt, srt or vtt.

not yet checked

Copyleaks

API Development
from $16.99 per month
4.0 /5 Toolio reviewer

Copyleaks is best for businesses and educators, not individual users.

not yet checked

ApyHub

API Development
$16 /month
4.0 /5 Toolio reviewer

Not suitable for building custom APIs.

not yet checked

Alt Text AI

API Development
from $5 per month
4.1 /5 Toolio reviewer

Missing alt text can hurt accessibility and SEO—AltText.ai scans your site for missing descriptions, then generates accurate ones automatically.

not yet checked

AI Translate

API Development
Free
3.9 /5 Toolio reviewer

Translates text into 99-plus languages and reads it back with natural-sounding AI voices.

not yet checked

Depopaid

API Development
$0.32/mo
4.0 /5 Toolio reviewer

Auto refresh listings, follow users.

not yet checked

Refined.

API Development
from $9,999 per project
4.0 /5 Toolio reviewer

Build your MVP fast.

not yet checked

Vectorize

API Development
$0.59
4.2 /5 Toolio reviewer

Agent memory that learns, stores per-user context and gets smarter over time.

not yet checked

CamelCamelCamel

API Development
Free
4.5 /5 Toolio reviewer

Tracks Amazon prices over time and alerts by email the moment one drops to your target.

not yet checked

API Development

Three worth starting with

Terms to know

API development tools help developers build, document, test and call APIs, and some wrap a ready-made service such as face recognition, CAPTCHA solving or vector search behind a simple endpoint. Examples include Vectorize, Luxand and Alt Text AI. When comparing, look at how the API is authenticated, how much it is rate-limited, and whether the documentation shows real request examples.

Questions people ask

Should I build my own API or use an AI service through an API?

Use a hosted API when the task is well defined, such as face detection or image captioning, and you do not want to train or host a model. Build your own when you need custom logic, tight control of data, or behaviour no vendor offers.

What should I check before depending on a third-party AI API?

Check rate limits, how errors are returned, whether older versions stay supported, and where your data is processed. A tool that works in a demo can still fail under production traffic, so run a load test and keep a fallback provider in mind.

How is API development different from Automation Tools and DevOps?

API development is about creating and consuming interfaces between software. Automation tools connect existing apps to run tasks without code, and DevOps covers deploying and running software. A project often uses all three, but each page here targets a different stage of the work.