Agent Jig
Agent Jig provides agent testing/evaluation.
50 agent evaluations/mo
Active · verified 2026-07-17
Free AI tiers with no credit card required
Offers whose recorded requirements explicitly state that no credit card is required. Always confirm current terms at the linked official source.
24 providers · source-backed records with verification dates
AI21 Labs
Provider of large language models (e.g., Jurassic, Jamba) offering API access and pre-trained models.
$10 credit for 3 months
Active · verified 2026-07-17
Apify
Apify provides web data extraction, crawling, browser automation, and agent tooling.
$5 credit/mo
Active · verified 2026-07-17
Braintrust
Braintrust provides AI gateway, observability, evaluation, and prompt tooling.
$10 credit/mo + 1 GB/mo
Active · verified 2026-07-17
Browserless
Browserless provides browser agents and automation.
1K units/mo
Active · verified 2026-07-17
Cloudinary
Cloudinary provides image/video APIs, transformation, optimization, and delivery.
25 credits/mo
Active · verified 2026-07-17
Composio
Composio provides agent tools, integrations, and tool routing.
100K tool calls/mo + 50K triggers/mo
Active · verified 2026-07-17
Deepgram
Offers speech-to-text, text-to-speech, voice agent and audio intelligence APIs with high accuracy and low latency.
$200 credit
Active · verified 2026-09-19
E2B
E2B provides code execution and cloud sandboxes for AI agents.
Free tier
Active · verified 2026-07-17
Firecrawl
Firecrawl provides web scraping, crawling, search, and AI data ingestion.
1K credits/mo
Active · verified 2026-07-17
Future AGI
Future AGI provides agent evaluation, simulation, observability, gateway, and guardrails.
2K credits/mo + 100K requests/mo
Active · verified 2026-07-17
Gradium
Gradium provides TTS, STT, and speech translation.
45K credits/mo
Active · verified 2026-09-19
Groq Cloud
High-performance inference platform running LLMs on Groq's custom chips with extremely low latency.
Always free
Active · verified 2026-07-19
HoneyHive
HoneyHive provides AI evaluation and observability.
10K events/mo
Active · verified 2026-07-17
Hyperbrowser
Hyperbrowser provides browser agents and web automation.
Free tier
Active · verified 2026-07-17
Langfuse
Langfuse provides LLM evaluation, tracing, observability, and prompt management.
50K units/mo
Active · verified 2026-07-17
Mistral AI (Experiment plan)
French LLM provider Mistral AI offers an experimental plan for developers to try its LLMs with rate-limited free usage.
Free tier
Active · verified 2026-07-19
Nanonets
Nanonets provides document AI, OCR/data extraction, and workflow automation.
$50 credit
Active · verified 2026-07-17
Parea AI
Parea AI provides AI evaluation, observability, human review, and prompt management.
3K logs/mo
Active · verified 2026-07-17
Roark
Roark provides voice-agent simulation/evaluation.
Free tier
Active · verified 2026-07-17
SERP Search
SERP Search provides search APIs and agent retrieval.
1K requests/mo
Active · verified 2026-07-17
Speechmatics
Speechmatics provides speech-to-text, text-to-speech, and voice agents.
$100 credit
Active · verified 2026-09-19
Tavily
Tavily provides AI search, web extraction, crawling, and research.
1K credits/mo
Active · verified 2026-07-17
Unstructured
Unstructured provides document AI, parsing, OCR, chunking, enrichment, embeddings, and data ingestion.
10K pages
Active · verified 2026-07-17