Alternatives
10 best Linked API alternatives
Tools that cover the same task as Linked API (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Linked API starts at
- $49/mo
- Free plan
- Free trial
- API
- API available
- 01
FormSpree
Developers point forms at Formspree URLs instead of maintaining their own form backends.
Best for: Front-end developers and agencies that need managed form endpoints with spam protection and workflow integrations.
- 02
KERNEL
KERNEL provides cloud browser infrastructure for AI agents and web automations, spinning up sandboxed Chromium sessions with stealth, managed auth, GPU acceleration, live view, and telemetry. Developers connect via CDP, WebDriver BiDi, Playwright, OpenAPI, MCP, or official SDKs in TypeScript, Python, and Go.
Best for: Teams building QA, healthcare, e-commerce, or GTM agents that need reliable real-browser automation at scale.
- 03
ApiX-Drive
ApiX-Drive is a no-code connector that links 600+ online services to automate workflows without developers, with tiered plans based on connections, actions, and polling intervals.
Best for: Business users and SMBs automating CRM, marketing, and ops flows without writing integration code.
- 04
dlvr.sh
dlvr.sh is a developer-first temporary file sharing service positioned as a WeTransfer alternative for AI agents and automation. It offers short links, expiry controls, passwords, download limits, and API, MCP, and CLI access for delivering large files without long-term storage contracts.
Best for: Developers, agencies, and agent workflows that need expiring, password-protected file handoffs with programmatic uploads.
- 05
Cosine
Cosine, hosted at cosine.sh, is a sovereign AI lab training specialized coding agents and models for secure environments. It offers Lumen Scout, Outpost, and Sovereign models plus CLI and cloud surfaces with transparent credit-based plans for developers and regulated teams.
Best for: Developers and organizations that need frontier coding agents inside secure or air-gapped deployments with credit-based usage.
- 06
Mem0
Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.
Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.
- 07
Letta
Letta is an AI research lab and product company building stateful agents whose memory and capabilities evolve over time, originating from MemGPT research. It ships Letta Agent software, a CLI, and cloud plans for individuals, teams, and API developers.
Best for: Engineers and teams building long-horizon coding or workflow agents that need durable memory and sandboxed execution.
- 08
AgentQL
AgentQL by TinyFish connects LLMs and agents to the web with a query language and SDKs for extracting structured data from dynamic pages. It offers Playwright integrations, a browser extension debugger, REST browserless access, PDF parsing, and tiered API plus remote browser usage.
Best for: Developers building web agents or data pipelines who need resilient selectors beyond brittle XPath or CSS paths.
- 09
CodeConverter
Users can start on a free daily quota or upgrade to unlimited conversions.
Best for: Developers who need quick cross-language translations without setting up local transpilers.
- 10
Freestyle
Freestyle provides full Linux VMs purpose-built for long-running AI agents with millisecond startup, live cloning, pause/resume, nested Docker, and custom networking. Developers use the VMs for coding agents, browser automation, and containerized workloads.
Best for: Teams building autonomous agents that need persistent Linux environments, previews, and Docker inside the VM.
Linked API alternatives: common questions
What is the best free alternative to Linked API?
FormSpree has an ongoing free plan. Free plan includes unlimited forms and projects with 50 monthly submissions, 30-day archive, and two linked emails for testing. Free plans change, so check the vendor before relying on one.
What is the cheapest Linked API alternative?
CodeConverter has the lowest listed starting price at $4.99/mo, compared with $49/mo for Linked API.
Which Linked API alternatives have an API?
FormSpree, KERNEL, ApiX-Drive, dlvr.sh, Mem0 mention API or developer access.