Instagram Account Keywords in captions API
Find Instagram profiles by keywords in captions from 97.2M searchable profiles
Is there an API to find Instagram creators by keywords in their captions?
Yes. The Influencers.club Discovery API filters Instagram creator profiles by what creators actually post about, matched against recent captions. Pass one or more keywords or phrases — like “giveaway” — and get back full profiles with follower counts, engagement rates and verified contact data.
Make the call
Both samples below are complete. Paste one in, swap the key, get a 200.
https://api-dashboard.influencers.club/public/v1/discovery/
Authorization: Bearer <API_KEY>
Content type application/json
Rate 0.01 credits per creator returned
Full reference →
What comes back
A 200 with the page of creators and your remaining credit balance. Creator values below are elided — field names and types are exactly as published in the API schema.
The spec
| Parameter | Type | Accepted values | Behaviour |
|---|---|---|---|
| filters.keywords_in_captions | array | Any keywords or phrases, as an array of strings | Several keywords widen the search — a creator matching any one of them is returned. |
| platform | string | instagram · youtube · tiktok · twitch · twitter · onlyfans | Required. Selects the platform-specific filter set. |
| paging.limit / paging.page | integer | Any positive integer | Required. Page numbering starts at 0. |
| sort.sort_by / sort.sort_order | string | relevancy · asc / desc | Optional. Defaults to descending. |
| return_filter_values | boolean | true · false | Adds the matched filter values to each creator. Bills 0.03 credits instead of 0.01. |
Billing. 0.01 credits per creator returned. If no creators are returned, no credits are deducted.
Keywords in captions is rarely the only filter
Three combinations that people actually send. Every filter below exists today.
Creators already posting about your topic
Captions prove the content; engagement proves the audience.
filters: {
"keywords_in_captions": ["giveaway"],
"engagement_percent": { "min": 2 } }
Topic-matched creators with a contact route
They post about it, and you can reach them.
filters: {
"keywords_in_captions": ["recipe"],
"has_link_in_bio": true }
Mid-tier creators who post about it weekly
Caption match plus the follower band that answers emails.
filters: {
"keywords_in_captions": ["recipe"],
"number_of_followers": { "min": 10000, "max": 100000 } }
Other Instagram data you can access
Instagram API endpoints
Six platforms with full data, 40+ more in the social graph
Instagramdiscovery · full data
TikTokdiscovery · full data
YouTubediscovery · full data
X / Twitterdiscovery · full data
Twitchdiscovery · full data
OnlyFansdiscovery · full dataPlus Facebook, Pinterest, Reddit, LinkedIn, Discord, Snapchat,
Linktree and 40+ more via connected socials.
Frequently asked questions
How does keyword matching work?+
Pass an array of keywords or phrases and they’re matched against the creator’s keywords in captions. Several keywords widen the search — a creator matching any one of them is returned.
Where can I find my API key?+
Create a free account. You will find your API key through the API side menu.
How do I find profiles by keywords in caption using your API?+
Simply sign up for free, copy your API key, then POST to the Discovery endpoint with filters.keywords_in_captions set. You’ll get Instagram profiles ready to be ingested for your use case.
What are your pricing plans and what do they include?+
Paid plans start at $249/month and use a flexible credit-based model.
Each API call consumes a specific number of credits depending on the endpoint and data depth. You can compare all tiers, credit amounts, and per-endpoint costs in the Pricing section of our API docs.
How can I get in touch with your team?+
Book a time on our calendar to talk to someone from our team and learn about the full capabilities of our API.