LinkedIn automation for recruiters: what to automate and how to pace it

Why LinkedIn, if email gets as many replies?

In the messages Odyn sent to decision-makers for its clients between June and October 2026, email and LinkedIn invitations got about the same number of people to reply. The difference is in what the replies said: LinkedIn produced about twice as many interested replies (an offer to talk, a request for profiles or rates), while email replies are mostly refusals, most often "we hire in-house." Those are trends measured over a few months, which we re-measure every night, on job postings that are mostly French.

Our hypothesis, and it remains one: by email, a polite refusal is the easiest answer to a stranger. On LinkedIn, the decision-maker sees a face, a title and a network before answering, and a blank invitation asks for nothing until it is accepted. That does not make email useless: it reaches decision-makers who do not accept invitations, and the recruiting business development email has its own logic. The two channels work better together than against each other.

How many connection requests per week?

LinkedIn publishes no number. Its help page on invitation limits says every member is subject to them, that hitting the limit blocks sending for "typically one week," and that withdrawing pending invitations does not lift it. The orders of magnitude come from tool vendors. According to linkedapi.io's guide, a new account sends ten to fifteen requests a day and fifty to seventy-five a week, an established account around a hundred a week, an older and active account up to two hundred. Those are community estimates, not LinkedIn figures, and they shift with account age and how earlier invitations were received.

A boutique firm of two recruiters aiming at thirty or forty companies a week should never come near those ceilings. The common mistake is to treat them as a target: you pace under the ceiling, never at it, and a profile that has never sent invitations in volume starts lower still, around five to ten a day by the same guide, before climbing.

One detail changes the arithmetic: the requests you send by hand count toward the same total as the tool's. If the recruiter sends twenty invitations over coffee during the week and the tool does not know, the account goes over without anyone having decided it.

Connection request with or without a note?

Without, by default. A note of two hundred characters can only be a sales hook, and it arrives before the person has decided to accept. A blank request lets your profile speak, and the message follows once the decision-maker has chosen to connect.

On a free account the limit is real anyway: per LinkedIn's help page on personalized invitations, only three requests a month can carry a note, two hundred characters at most (another help page says five, which shows how these rules move). Premium lifts the cap on the number. If you only have a few notes, keep them for cases with a real link: a shared school, a conference you both attended, a mutual connection you can name.

What do you say once they accept?

Wait hours, not seconds, then write a short message about the company, with no link and no attachment. Example for a firm that places operations leaders in logistics:

Hello Claire, thanks for connecting. I saw your Memphis distribution center is hiring an operations manager. I place this kind of profile in transportation and e-commerce, mostly in the Mid-South, and I've done it for nine years. If you're open to outside help, I can send you two or three people by the end of the week. Do you have ten minutes to talk it through?

One follow-up, a week later, with something new in it (a sample profile, a comment on the local market). If it goes unanswered, the next message goes by email, not LinkedIn: pushing in a messaging window where the person sees every attempt gets heavy fast.

The acceptance itself calls for a phone call. The decision-maker has just seen your name, and a call in the following days that refers to the request lands less cold than a call to a stranger.

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Every day, Odyn spots the companies hiring in your specialty, writes to decision-makers from your own email and LinkedIn account, follows up, and hands the conversation back to you the moment they reply.

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Sales Navigator, Recruiter, InMail: which one when you are looking for clients?

Sales Navigator is built for selling: searches for companies and decision-makers by function, seniority and size, saved account lists, alerts when someone you follow changes jobs. For a firm building its client list by hand, it is the best fit of the three. LinkedIn lists the Core plan at US$119.99 a month per license, with 50 InMail credits a month (Sales Navigator plan comparison, checked October 20, 2026).

LinkedIn Recruiter is for finding candidates, not clients: its filters work on skills and career paths. Pricing is by quote, with 100 to 150 InMails a month, and 30 for the Lite version (LinkedIn Recruiter product page). A firm that already has it can search for plant directors with it, but the search was not designed for that. LinkedIn sells recruiting firms a separate offer, RPS+, with a "Business Development" mode, described in Odyn vs LinkedIn RPS+.

InMail is a message paid for in credits, sent to someone outside your network, and it requires a Premium account. In Sales Navigator, a credit comes back when the person replies within 90 days. We keep it for the few decision-makers you are determined to reach who have not answered the connection request. As the main channel it costs more than an invitation and reads more quickly as an ad.

A subscription does not raise the invitation ceiling: LinkedIn states that all members, Basic or Premium, are subject to the limits. To invite without a note, you need none.

General-purpose automation tools start from a list you bring them, while building that list is the costliest step for a recruiting firm. One comparison covers the difference: Odyn vs Waalaxy.

What the decision-maker sees when they open your profile

With a blank request, your profile is the whole argument. The headline appears next to your name in the invitation, so it should say what you place, where and for whom. "I recruit plant managers for manufacturers in the Southeast" beats "Talent Acquisition Partner," which tells a plant director nothing.

The summary takes three lines: which roles you place, for what kind of companies, for how long. A recent photo, not an avatar. Posts, if you write them naturally, about your specialty's market. An empty profile, or one from a recruiter "passionate about people," gives the decision-maker no reason to accept.

How Odyn paces its invitations

Odyn sends connection requests from the recruiter's own LinkedIn account, without a note, on business days from 9 a.m. to 6 p.m. Each account has a daily cap and a weekly cap. When an account is connected, those caps climb over six days instead of applying at once, and Odyn counts the requests the recruiter sends by hand so the two are not added together. Once a request is accepted, it writes the follow-up message from the job posting that prompted the contact, and suggests that the recruiter call the decision-maker. At the first reply it stops: the conversation goes back to the recruiter, who also reviews every message for the first three business days. The subscription and its terms are on the pricing page.

To choose the companies to contact upstream, see finding the hiring decision-maker, and for the whole approach, how to get clients.

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