--- title: "OutFlo AI API: pricing, rate limits & MCP | ONEGTMLAB" description: "OutFlo AI API: Cloud LinkedIn outreach for many sender accounts: priced per connected LinkedIn account (Growth) or in 25/50/100-account bundles…" canonical: https://www.onegtmlab.dev/tool-directory/sending/outflo --- # OutFlo AI API: pricing, rate limits & MCP | ONEGTMLAB [](/) [ Book a call ](/book) ![](/_astro/outflo.BiKMFUe1_Z1hYIvl.webp) API review # OutFlo AI API review Cloud LinkedIn outreach for many sender accounts: priced per connected LinkedIn account (Growth) or in 25/50/100-account bundles (Booster), with a dedicated residential IP per sender, a unified inbox, a 91-operation public API, webhooks, a CLI and an OAuth MCP server on every plan. Best for agencies and teams running many LinkedIn sender accounts from one workspace, with per-client workspaces. Verified 25 Oct 2026 · 91 endpoints listed · Official MCP server [ See pricing ](#pricing)[ OutFlo AI API docs ](https://reach.outflo.io/docs/reference) At a glance Category Sending Pricing model Per seat Free tier 8-day free trial of Growth for up to 3 connected LinkedIn accounts, no credit… Entry price $37/mo, billed annually Growth Auth API key Official MCP Yes Best for Agencies and teams running many LinkedIn sender accounts from one workspace, with per-client workspaces [outflo.io ↗](https://www.outflo.io)[Pricing page ↗](https://www.outflo.io/pricing-catalog.json) ## What a call costs The actions you pay for, as OutFlo AI prices them. Action Cost Per One connected LinkedIn account on Growth $49 a month billed monthly ($37/mo yearly) per account ## Pricing, plan by plan US dollars, as OutFlo AI's pricing page shows them on 25 Oct 2026. Monthly and annual billing are shown apart. Free tier 8-day free trial of Growth for up to 3 connected LinkedIn accounts, no credit card. ### Growth $49/mo billed monthly $37/mo billed annually per connected LinkedIn account (one seat = one LinkedIn account running outreach); $126 billed quarterly ($42/mo), $444 billed yearly ($37/mo). API includedPlan details Pricing page shows a Year-End Offer: $49 instead of the regular $59, kept while the subscription stays active. Unlimited campaigns, unified inbox, AI messaging, MCP, CLI, API and webhooks, multi-workspace. ### Booster (25 accounts) $699/mo billed monthly $525/mo billed annually flat bundle of 25 LinkedIn accounts; $1,785 billed quarterly ($595/mo), $6,300 billed yearly ($525/mo). API includedPlan details Add-on packs of 5 accounts at $125/mo (max 4 packs). Everything in Growth plus priority support, white-label, custom requirements. 5-account add-on pack $125 monthly / $318.75 quarterly / $1,125 yearly ### Booster (50 accounts) $999/mo billed monthly $750/mo billed annually 50 accounts; $2,550 quarterly ($850/mo), $9,000 yearly ($750/mo) API included ### Booster (100 accounts) $1,499/mo billed monthly $1,125/mo billed annually 100 accounts; $3,825 quarterly ($1,275/mo), $13,500 yearly ($1,125/mo) API included ### Scale $2,199/mo billed monthly $1,650/mo billed annually flat, unlimited accounts under fair use up to 300; $5,610 quarterly ($1,870/mo), $19,800 yearly ($1,650/mo). API includedPlan details Everything in Booster plus done-for-you onboarding and migration, custom integrations, dedicated manager, extended white-label. Billing and credits: 'Account seats, subscription charges and usage credits are separate' (llms-full.txt); usage-credit prices are not published. Refunds: monthly plans none; annual plans pro-rated refund less a 15% fee if cancelled within 30 days. ## Rate limits Set per operation as sliding windows that apply together, keyed per organization (or client IP when no organization context). More on limitsLess Examples from the docs: GET /campaigns and GET /lead-lists 50 req/s and 50 req/min; POST add lead 50 req/s; POST /campaigns/exclude-leads 50 req/s and 20 req/min; GET /accounts and GET /conversations 10 req/s. Successful responses carry X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset; 429 carries Retry-After (seconds). Only the first operation on each guide page shows its limits, so most operations' numbers were not read. ## How to get an API key OutFlo AI uses API key. The steps below follow OutFlo AI's own docs. 1. Create a OutFlo AI account. API access starts on the Growth plan. 2. Workspace key from Integrations & API (Integration settings) in the OutFlo app. Keys are scoped; new keys get posts.read, posts.write, posts.approve and posts.publish by default for the Posting API. 3. Send it with every request: header x-api-key (plus x-workspace-id when a key is authorized for more than one workspace); MCP: OAuth 2.0 (authorization server [api.outflo.io/oidc](https://api.outflo.io/oidc)) or a Personal Access Token as Authorization: Bearer. 4. Make a first call: Verify API credentials and inspect granted scopes. Keep the key in an environment variable, never in the command. ``` curl -X GET "https://api.outflo.io/api/public/ping" \ -H "Authorization: Bearer $OUTFLO_API_KEY" ``` ## Where the docs live What Where Documentation [reach.outflo.io/docs](https://reach.outflo.io/docs) API reference [reach.outflo.io/docs/reference](https://reach.outflo.io/docs/reference) OpenAPI spec [reach.outflo.io/api-docs.json](https://reach.outflo.io/api-docs.json) llms.txt [reach.outflo.io/llms.txt](https://reach.outflo.io/llms.txt) Base URL `https://api.outflo.io` MCP server `https://mcp.outflo.io/mcp` ## Strengths and limits ### Where it fits - Agencies and teams running many LinkedIn sender accounts from one workspace, with per-client workspaces - Building, launching and pausing campaigns from code or an AI assistant: campaign create, sequence update, launch/pause/resume and lead add are in the public API and MCP - LinkedIn post scheduling and client approval through the same API (25-operation Posting API) - Teams moving off HeyReach: a HeyReach import of campaigns, lead lists and conversation history is listed ### Where it falls short - Email sending itself: email steps are handed to Smartlead or Instantly campaigns - A contact database or email finder: none is listed; leads come from LinkedIn/Sales Navigator searches, CSV, posts, events, HubSpot or the API - Buyers needing a published security certification: none is stated; the DPA offers documentation and audits instead ### Worth knowing - The Growth price on the pricing page is a Year-End Offer ($49 instead of $59 a month, locked while subscribed). The catalog and JSON-LD carry $49; the regular rate is $59. - Two base hosts appear: the reference header shows [live.outflo.in](https://live.outflo.in) while every sample and the console use `https://api.outflo.io`. - The OpenAPI link in reach.outflo.io/llms.txt returned the app HTML shell on 2026-10-25; the docs are a JS app, so a plain fetch gets nothing (rendered with headless Chrome). - Rate limits differ per operation and several apply at once; GET /accounts and GET /conversations are 10 req/s (/docs/message). - Adding a lead that already exists by normalized LinkedIn URL updates its fields but never reassigns its sender; a senderUrl that is not an eligible campaign sender falls back to least-loaded assignment. 2 moreShow fewer - Posting API publish calls return 202 Accepted: queued, not posted. Free organizations get 25 successful publications per UTC month. - Account limits are shared by every campaign using a sender; the product enforces a 40 a day connection-request ceiling that campaigns cannot override. ## Who should use it Use OutFlo AI for Agencies and teams running many LinkedIn sender accounts from one workspace, with per-client workspaces Look elsewhere for Email sending itself: email steps are handed to Smartlead or Instantly campaigns ## If OutFlo AI is not the answer Other Email sending tools in this directory, each with its own review. [ ![](/_astro/instantly.w1WoNFJP.svg) Instantly Email sending From $9/moOfficial MCP Best for cheapest entry to API-driven cold email: API v2 is on every paid Outreach plan from Growth, and in our test it also…. Instantly API review →](/tool-directory/sending/instantly-ai)[ ![](/_astro/smartlead.DCswj1gL_Z2nVbYs.webp) Smartlead Email sending From $32/moOfficial MCP Best for agencies running many client workspaces off one account. Smartlead API review →](/tool-directory/sending/smartlead)[ ![](/_astro/aimfox.Cl8sLyp7.svg) Aimfox LinkedIn outreach From $40.83/moOfficial MCP Best for multi-account LinkedIn outreach where you want to rent extra sender profiles natively. Aimfox API review →](/tool-directory/linkedin-outreach/aimfox) ## Before you build Four things to settle first, each read off OutFlo AI's own pages. - **Confirm the API is on your plan**API access starts on the Growth plan. Free tier: 8-day free trial of Growth for up to 3 connected LinkedIn accounts, no credit card. - **Keep the key out of your code**API key. It is sent as: header x-api-key (plus x-workspace-id when a key is authorized for more than one workspace); MCP: OAuth 2.0 (authorization server [api.outflo.io/oidc](https://api.outflo.io/oidc)) or a Personal Access Token as Authorization: Bearer. - **Design around the rate limit**Set per operation as sliding windows that apply together, keyed per organization (or client IP when no organization context). - **Know the catch before you scale**The Growth price on the pricing page is a Year-End Offer ($49 instead of $59 a month, locked while subscribed). The catalog and JSON-LD carry $49; the regular rate is $59. ## Want us to build it for you? Tell us what you want OutFlo AI to do in your stack. We will show you how we would wire it into your data, outbound or CRM, and what we would check first. [ Book a call ](/book)[ See case studies ](/case-studies) Read from [outflo.io/pricing-catalog.json](https://www.outflo.io/pricing-catalog.json), [reach.outflo.io/docs/reference](https://reach.outflo.io/docs/reference) and [reach.outflo.io/docs/campaigns](https://reach.outflo.io/docs/campaigns). Verified 25 Oct 2026. All 91 endpointsFor developers: method, path, what it does and what it costs. **Base URL:** `https://api.outflo.io` **Bulk and async:** POST /api/public/lead-lists/leads takes a JSON leads array or a CSV file; no per-request cap is published. Conversation batch actions take 1 to 100 conversation ids; campaign allocations up to 100. **Webhooks:** Configured in the app with event plus sender/campaign scope, with a test send. The webhooks guide documents 3 events with payload samples. The workflow guide says not to assume a retry or ordering guarantee. Slack notifications are a separate native integration. Events: CONNECTION\_ACCEPTED, FIRST\_REPLY\_FROM\_A\_LEAD\_IN\_OUTFLO\_CAMPAIGN, EVERY\_MESSAGE\_OR\_INMAIL\_RECEIVED, posting webhooks (signed; event list not published on the pages read), campaign action event subscriptions (selected action types or sequence nodes) Filter endpoints 91 endpoints Method Path What it does Cost GET `/api/public/ping` Verify API credentials and inspect granted scopes Not stated GET `/api/public/accounts` List connected LinkedIn accounts Not stated GET `/api/public/accounts/limit-policy` Get account limit policy Not stated GET `/api/public/accounts/{accountId}` Get a connected LinkedIn account Not stated DELETE `/api/public/accounts/{accountId}` Delete a connected LinkedIn account Not stated PATCH `/api/public/accounts/{accountId}/deactivate-seat` Deactivate a LinkedIn account seat Not stated PUT `/api/public/accounts/{accountId}/reactivate` Reactivate an inactive LinkedIn account seat Not stated GET `/api/public/accounts/{accountId}/health` Get account health Not stated GET `/api/public/accounts/{accountId}/limits` Get effective account limits Not stated PATCH `/api/public/accounts/{accountId}/limits` Update account limits Not stated PUT `/api/public/accounts/{accountId}/campaign-limits` Replace campaign-specific account limits Not stated GET `/api/public/accounts/{accountId}/automation` Get account automation settings Not stated PATCH `/api/public/accounts/{accountId}/automation` Update account automation settings Not stated GET `/api/public/accounts/{accountId}/conversation-sync-policy` Get account conversation sync policy Not stated POST `/api/public/accounts/login` Start a LinkedIn account login Not stated POST `/api/public/accounts/checkpoint/solve` Submit an account login checkpoint Not stated POST `/api/public/accounts/checkpoint/resend` Resend an account login checkpoint Not stated GET `/api/public/accounts/status/{id}` Get LinkedIn account connection status Not stated GET `/api/public/conversations` List conversations Not stated POST `/api/public/conversations/query` Query conversations with advanced filters Not stated GET `/api/public/conversations/tags` List conversation tags Not stated POST `/api/public/conversations/batches` Apply a bounded conversation tag or star action Not stated GET `/api/public/conversations/{id}/context` Get conversation context Not stated GET `/api/public/conversations/{id}/messages` List messages in a conversation Not stated POST `/api/public/conversations/{id}/tags` Apply tags to a conversation Not stated DELETE `/api/public/conversations/{id}/tags/{tagId}` Remove a tag from a conversation Not stated PATCH `/api/public/conversations/{id}/star` Update a conversation star Not stated PATCH `/api/public/conversations/{id}/archive` Update a conversation archive state Not stated PATCH `/api/public/conversations/{id}/read` Update a conversation read state Not stated PATCH `/api/public/conversations/{id}/draft` Save a conversation draft Not stated PATCH `/api/public/conversations/{id}/reply-tag` Update a conversation reply tag Not stated POST `/api/public/conversations/reply` Send or reply to a LinkedIn message Not stated GET `/api/public/campaigns` List campaigns Not stated POST `/api/public/campaigns` Create a campaign Not stated GET `/api/public/sequence-templates` List available sequence templates Not stated GET `/api/public/sequence-templates/{templateId}` Get a sequence template Not stated POST `/api/public/sequence-templates` Create an organization sequence template Not stated GET `/api/public/campaigns/{campaignId}` Get campaign detail Not stated GET `/api/public/campaigns/{campaignId}/ai-context` Get campaign AI context Not stated PUT `/api/public/campaigns/{campaignId}/ai-context` Update campaign AI context Not stated [](/) © 2026 ONEGTMLAB Private Limited. 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