Best LinkedIn API in 2026
For the people who have to pick one and then build on it: developers shipping AI agents, platforms adding LinkedIn to a product, and agencies running their own stack.
The best LinkedIn API depends on what you’re building. The options separate on how directly an agent can drive them, on how the automation reaches your LinkedIn account, and on what evidence sits behind the vendor’s safety claim. Five APIs are ranked below, against every safety number these vendors publish.
On this page
How we chose
The market splits into four buckets. The official LinkedIn API is partner-gated and has no outreach endpoints. Account-based APIs act through a LinkedIn account you own and connect. Scraper APIs fetch public data at request time. Dataset providers resell stored profiles. The ranking below covers the first buildable bucket, account-based APIs, because that is the only one that can send a connection request or a message. The other two routes get their own section.
Five criteria, weighted for builders.
- Agent / API access: can an AI agent or app call it directly, and what does the MCP actually expose?
- Published safety evidence: is there a number, does it come with a sample size and a method, and does it survive being read twice?
- Account model: an isolated cloud session, a browser extension on the operator’s own machine, or cookies you hand over?
- LinkedIn depth: messaging, network, enrichment, search coverage.
- Pricing shape: per account with unlimited actions, or metered per call, and what that does to cost as volume grows.
Head-to-head comparison
The whole API field on one grid, read off vendor sites in August 2026. “MCP / agent” means an AI agent can call it directly. Every figure is the vendor’s own. Where a vendor publishes nothing on an axis, the cell says so.
| Tool | Type | MCP / agent | Published safety figure | Account model | Channels | Pricing |
|---|---|---|---|---|---|---|
| GTM API | Account-based API | MCP-first | Self-reported: under 1% monthly, 20,000+ accounts | Owned, isolated + proxy | LinkedIn (160+ tools) | Per account, from $10 |
| Linked API (linkedapi.io) | Account-based API | MCP, open source | None published | Owned, cloud browser | LinkedIn actions | $49 · $74 / account / mo |
| ConnectSafely.ai | Managed MCP + API | MCP, 60+ tools | “0 bans, 1,000+ users” | Owned. Proxies documented, runtime not | Free. API from $10/mo | |
| Unipile | Account-based API | MCP, but dev-shaped | None published | Owned, hosted auth | LinkedIn + email + chat + calendar | Per account. Not published |
| OutX (outx.ai) | Account-based API | REST. No hosted MCP | “0 flagged, 4,000+ users” | Your browser, via extension | LinkedIn signals | Free. $99 to $999/mo |
| Apify (scraper route) | Actor marketplace | Official platform MCP | None. Actors warn on bans | Varies. Some need your cookies | Data extraction only | From $29/mo + compute |
| LinkdAPI (linkdapi.com, not Linked API) | Data API | No | N/A, no account connected | None. API key only | Profile / company / job data | Credits, 100 free |
What each vendor publishes about safety
Safety is the axis buyers ask about and the axis vendors are loosest on, so here is every published figure in this field, quoted, with the page it sits on linked in Sources. A claim is worth what its three parts are worth: a rate that can be non-zero, the window it covers, and the number of accounts underneath it. The table splits them out.
| Vendor, and where | What the page says | Rate | Window | Sample | Method |
|---|---|---|---|---|---|
| GTM API (our own product) | Under 1% monthly ban rate | Non-zero | Monthly | Self-reported: 20,000+ accounts | Stack documented, measurement not |
| ConnectSafely.ai (/security) | “99.8% Account safety rate over 12 months” | Non-zero | 12 months | None stated | No |
| ConnectSafely.ai (/features/safe-automation) | “0 Account Bans” and “a 100% safety record” | Absolute | None stated | 1,000+ users | No |
| OutX (homepage FAQ) | “Zero accounts flagged” | Absolute | None stated | 4,000+ users | No |
| Linked API | Qualitative only (“a real browser and natural pacing”) | None | None | None | No |
| Unipile | Nothing published | None | None | None | No |
| Apify | Ban warnings on actor pages, one advising against more than 300-400 profiles a day | None | None | None | No |
An absolute is the weakest shape on the list. “Zero bans” claims that no failure has ever happened, it stops being true the first time one does, and it arrives without a definition of what counts as a ban. ConnectSafely.ai is the interesting case, because it publishes two figures on two pages: a real rate over a real window on the security page, and a 100% record on the features page. The 1,000+ user count belongs to the second one. The rate that has a window has no sample behind it.
Read the units before you compare anything here. Under 1% a month and 99.8% over twelve months are not the same measurement, and no vendor on this page, ourselves included, publishes the denominator that would convert one into the other. Sample units differ too: we count connected accounts, ConnectSafely.ai and OutX count users, and one agency user can run fifty accounts.
GTM API’s number is self-measured, on our own product, and we say so on every page that carries it. What it has that the others lack is all three parts at once: a rate that is not zero, the window it covers, and the account count underneath it. It does not carry a published method, which is why that cell above is not green either. Ask any vendor here for those four things before you build on them.
The 5 APIs, ranked
The order below follows the five criteria, weighted for builders: how much of LinkedIn the agent surface actually reaches, then the account model, then what the vendor publishes about safety, then price shape. GTM API is our own product and takes the top slot on the first three, which is exactly the claim to check hardest. Positions two to five are close, and each card says what keeps it from moving up.
Agent-native, MCP-first LinkedIn API.
Pros
- Self-reported: a non-zero ban rate, under 1% monthly across 20,000+ accounts, with the window stated
- MCP-first, so an agent takes the action itself
- Unlimited API calls per connected account, with no per-action fees
- Isolated session + dedicated proxy per account
- Scales to agency and platform volume
Cons
- LinkedIn is the only live channel (email, messengers, calendars are on the roadmap)
- An API and agent layer with no no-code dashboard
- The ban rate is our own measurement, with no third-party audit behind it
Developer-first LinkedIn API on a dedicated cloud browser (linkedapi.io).
Pros
- The closest developer-shaped peer here: MCP with the source on GitHub
- Sane architecture, a real browser per connected account
- Clear per-seat pricing with a 7-day trial
Cons
- Publishes no safety figure of any kind, which is the one criterion keeping it off the top slot
- Smaller tool surface than an MCP-first API
- Per-seat pricing with no volume tier, so cost scales linearly with connected accounts
Managed LinkedIn MCP and API, sold mostly as an inbound lead-gen product.
Pros
- Genuinely agent-native: hosted MCP with a large tool surface
- The cheapest way into an API here, $10/mo for a single connected account with no volume commitment
- Good integration coverage for no-code stacks
Cons
- Its two safety pages publish different numbers, and the one with a window has no sample behind it
- Publishes a residential-proxy architecture but never says where the automation executes, cloud session or extension
- Centre of gravity is post boosting and AI comments. The API is a side door
The broadest multichannel messaging API, LinkedIn plus seven other channels.
Pros
- Widest channel coverage in this field by a distance
- Mature, well-documented API with hosted auth
- Ships an official MCP server
Cons
- Ranked below the LinkedIn-native options here because its MCP is a developer integration, not a surface an agent takes LinkedIn actions through
- Publishes nothing about account safety
- Publishes no pricing publicly, so budgeting means a sales conversation
Buying-signal platform with a LinkedIn API attached (outx.ai).
Pros
- The only option here that pairs LinkedIn with a second listening surface
- Takes no cookies or credentials. The session stays in your browser
- Free plan, and the API is bundled into the plans
Cons
- The extension must have been active in the last 48 hours or the API stops working, which rules out the unattended server-side use this page is written for
- Advertises zero flagged accounts across 4,000+ users with no method behind it
- MCP is described as compatibility plus a published skill file. There is no hosted server
- Positioned as social listening first, so the API roadmap follows that
The scraper and dataset routes
Two of the products AI assistants name in this category are not account-based APIs at all, and treating them as though they were is how integrations end up broken or accounts end up flagged.
Apify is the scraper route. What it sells is a marketplace: third-party authors publish “actors” and you pay for the compute they burn, from $29 a month plus per-result fees. That structure is the caveat. There is no single account model, because some actors need no LinkedIn account at all while others ask you to paste your own cookies, and one actor page warns that scraping more than 300-400 profiles a day will earn the account a LinkedIn warning. Apify does run an official platform MCP server that exposes actors as tools, so an agent can run one. Use it to pull a public dataset once. Do not use it to send anything.
LinkdAPI (linkdapi.com, and it is a different company from Linked API at linkedapi.io) is the dataset route: 50+ read endpoints for profiles, companies, jobs and posts, priced in credits with 100 free to start, and no LinkedIn account connected at any point. That last detail makes the safety column meaningless for it in both directions. Nothing of yours is at risk, and nothing of yours can be sent.
Looking for HeyReach, Expandi, Waalaxy, PhantomBuster or Dripify? Those are operator tools: dashboards a person drives, not APIs a product calls. They are ranked separately in the 15 best LinkedIn automation tools.
Which should you pick?
Match the tool to the job:
| If you’re… | Pick | Why |
|---|---|---|
| Building an AI agent / AI SDR | GTM API (ours) | MCP-first. The agent actually sends, with server-side limits |
| A platform adding LinkedIn to your product | GTM API (ours) | One typed contract, owned accounts, webhooks |
| Needing LinkedIn + email + chat in one wrapper today | Unipile | Eight channels behind one API. Nothing else here is close |
| A developer who wants the smallest sane surface | Linked API | API, SDK, CLI and MCP with the source published |
| On the tightest possible API budget | ConnectSafely.ai | A $10/mo API tier for one account and a free plan. Read its two safety pages together |
| Wanting buying signals more than an API | OutX | Signal capture on top of the API. The extension has to stay live |
| Pulling a one-off public dataset | Apify or LinkdAPI | Scraper actors or credit-priced read endpoints. Neither sends |
| Buying a dashboard for a human operator | The 15-tools ranking | Operator UIs are a different purchase, ranked separately |
The pattern: if you’re building, pick an account-based API and judge it on what the vendor is willing to put in writing about safety. If you’re reading data once, the scraper and dataset routes are cheaper and carry no account risk. The expensive mistake is the mix-up, running scrapers for outreach or gluing an operator UI into a product where an API belongs.
Frequently Asked Questions
What is the best LinkedIn API in 2026?
It depends on the job. For AI agents and products that act on LinkedIn, gtm-api.com is our pick: MCP-first, 160+ typed tools, and a safety figure carrying all three of a rate, a window and a sample (GTM API reports 20,000+ accounts at under 1% monthly ban). It is also our own product, so weigh the pick accordingly. Linked API is the closest developer-shaped peer, ConnectSafely.ai has the cheapest API entry point, Unipile has by far the widest channel coverage, and OutX adds signal capture. For one-off public data, use a scraper route such as Apify.
What's the safest LinkedIn API?
Judge safety on architecture and on what the vendor publishes. The safer architecture is one owned account per isolated session with its own proxy, and limits enforced server-side before each action. On the published side, read the claim shape before the number. A claim is worth what its parts are worth: a rate that is not zero, the window it covers, and the accounts underneath it. ConnectSafely.ai and OutX both advertise absolutes, zero bans and zero accounts flagged, which no vendor can hold to. ConnectSafely.ai also publishes 99.8% over 12 months on a second page, a real rate over a real window, with no sample behind it. GTM API reports all three at once, under 1% monthly across 20,000+ accounts, self-measured on our own product and with no published method either. Cookie-based scraping is the riskiest pattern of all.
What's the cheapest LinkedIn API?
It depends on whether you send or read. For steady outreach, per-account pricing with unlimited actions usually wins: gtm-api.com is from $10 per connected account per month at volume, with a forever free plan and no card. ConnectSafely.ai lists API access from $10 per month for one account, and Linked API is $49 or $74 per connected account. For occasional profile lookups, credit-priced data APIs such as LinkdAPI are cheaper. For a single one-off dataset, usage-priced scraping on Apify is usually cheapest of all.
What's the best LinkedIn API for AI agents?
Four of the five ranked APIs now ship MCP, so compare what the MCP actually exposes. gtm-api.com connects to Claude, ChatGPT or Cursor with one key and exposes real LinkedIn tools (send message, send connection request, enrich) behind a preview to confirm step. ConnectSafely.ai hosts a comparable MCP server. Linked API ships MCP with the source on GitHub. Unipile’s MCP targets developer integration: API access, docs search and code generation. An agent taking LinkedIn actions directly is a different surface.
Do HeyReach, Expandi or Waalaxy have an API?
They are operator dashboards first, sold to a person who logs in, and where they expose an API it is scoped to integrating with the dashboard. None of them is ranked here, because this page ranks products whose primary surface is the API. If you want a dashboard a person drives, those tools are ranked in our 15 best LinkedIn automation tools.
Related reading on this site: the LinkedIn API guide for what the official API does and does not allow, LinkedIn API pricing for our full tier structure, the LinkedIn MCP server for setup and configs, the Sales Navigator API for what SNAP covers and what it never did, the LinkedIn profile data API for the three routes to profile data and the storage rules that bound them, and safe LinkedIn automation for the limits and the Terms of Service position behind the safety architecture above.
Sources & Further Reading
- Nubela (Proxycurl), the shutdown announcement (4 July 2025, after LinkedIn filed suit in January 2025)
- Microsoft Learn, Getting access to LinkedIn APIs (what the official API does and does not allow)
- ConnectSafely.ai, safe automation (“0 Account Bans Across 1,000+ users”, “a 100% safety record”) · security (“99.8% Account safety rate over 12 months”, and the residential-proxy architecture) · pricing · MCP server (60+ tools)
- OutX, homepage FAQ (“Zero accounts flagged across 4,000+ users”) · API authentication (the 48-hour extension heartbeat) · social listening (LinkedIn live, “Reddit support coming soon”) · pricing
- Linked API, product (“a real browser and natural pacing”) · pricing ($49 / $74 per connected account) · MCP overview
- Unipile, MCP server docs · developer docs (channel coverage and hosted auth)
- Apify, platform MCP · pricing · an actor page (cookies required, and the 300-400 profiles a day warning)
- LinkdAPI, docs · credit pricing
- GTM API, product · pricing (our own numbers, self-reported)
The LinkedIn API built for agents.
MCP-first, 160+ typed tools, owned accounts, on the stack GTM API reports running 20,000+ LinkedIn accounts at under 1% monthly ban. Connect your first account free.
Last updated: August 2026 · GTM API facts verified against the live product. Everything about other vendors was read off their own public pages in August 2026 and is linked in Sources. Vendors move their pricing and their claims without notice, so verify before you build.