Data updated: July 2026
Under Side 821 ✓
@doer821 · Instagram · MX · music
About Under Side 821
Under Side 821, known as doer821 on Instagram, is a musician and entertainer with a significant following of 429,750. Based in Mexico, they primarily create content centered around music and entertainment, showcasing their talents through various formats including reels, stories, static posts, and live streams. Their biography highlights their role as the lead vocalist of Under Side 821, reflecting a personal and authentic connection with their audience. The creator's vibe is characterized as edgy and urban, appealing to a youthful demographic.
@doer821's followers & following
@doer821 currently has 429,750 followers on Instagram and follows 2,802 accounts, a follower-to-following ratio of 153.37. That places the account in the mid tier of music creators.
@doer821's content
@doer821 has published 3,990 posts to date, working across reels, stories, static-posts, live-streams. The account's content is classified under music, music, entertainment. Bio: “vocalista principal de Under Side 821”
AI quality check on @doer821
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@doer821's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@doer821's audience
Audience snapshot
60% male · 40% female
Core age group18-24
The audience skews slightly male at 60% and is primarily composed of individuals aged 18-24. The top geographic location for their followers is Mexico, indicating a strong local presence. This demographic suggests a vibrant and engaged follower base.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit Under Side 821?
Brands in the music and entertainment sectors are well-suited for collaboration with Under Side 821. Their authentic and personal tone, combined with a focus on urban and edgy themes, aligns with brands looking to connect with a youthful audience interested in music culture.
Frequently asked questions
How many Instagram followers does @doer821 have?
As of July 2026, @doer821 has 429,750 followers (430K) on Instagram, follows 2,802 accounts, and has published 3,990 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @doer821?
Verified contact details for @doer821 — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @doer821's contact info — free trial →
How much does @doer821 charge for a sponsored post?
@doer821 sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @doer821's net worth?
@doer821's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 430K followers and a standard price tier in music, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @doer821 have fake followers?
Zaver's AI authenticity check scores @doer821 90/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @doer821?
@doer821's 430K followers skew 60% male / 40% female, core age group 18-24. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @doer821's report on Zaver.
Which influencers are similar to @doer821?
Zaver lists comparable music creators in Mexico in the "Influencers like @doer821" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 124,111 vetted music creators with plain-English queries.
What is the follower count?
Under Side 821 has a follower count of 429,750.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
The estimated price tier for collaborations is standard, but pricing may vary.
What is the content niche?
The primary niche is music, with secondary niches in entertainment.
