CoinCap; Reviewed & Scored | The Block Note
Crypto Data Aggregator Review · Updated August 2026

CoinCap: Binance's other 2020 acquisition, with the same independence pledge and a side of 20% APR staking.

We're continuing our Crypto Data Aggregators series with CoinCap, acquired by Binance in April 2020, the same month and acquirer as CoinMarketCap. Real, disclosed genuine strengths: a specific, quantified price methodology (volume-weighted, with a disclosed 10% outlier-exclusion threshold) and a genuinely forward-looking developer toolkit, including an open-source MCP server for AI-assistant integration. What we don't think should be set aside: CoinCap's own disclosure policy makes an independence pledge nearly identical in substance to CoinMarketCap's unfulfilled 2020 promise, its own "About" page and third-party databases disagree on who even founded the company, and its Pro tier promotes staking a token for up to 20% APR. We weighted all of it below.

Type Crypto Price & Exchange Data Aggregator (owned by Binance) Access Free API tier; pay-per-call and Pro subscriptions Founded 2013 Discount Offer None
coincap
Crypto Data Aggregator
"No Binance employee, including CZ, has control over CoinCap's ranking algorithms" — CoinCap's own policy
CoinCap PRO markets staking a token for up to 20% APR alongside its API

Our take, up front: CoinCap is a cryptocurrency price and market-data aggregator with a disputed founding story: the company's own "About" page credits an oddly-named "brithon gibbs" with founding it in May 2013, while a separate business-listing service credits Eric Voorhees, a well-known figure in the industry, as founder and CEO, a real, disclosed inconsistency on the company's own official materials. Real, disclosed genuinely specific price methodology: CoinCap calculates a volume-weighted global price ("price multiplied by volume on an exchange, divided by the total volume traded for that digital asset") and explicitly excludes any exchange price more than 10% away from that global figure, a concrete, disclosed, quantified anti-outlier threshold. Real, disclosed refreshingly honest limitation: CoinCap states plainly that it "does not currently collect data from all sources of cryptocurrency trading," rather than overstating its own coverage. Real, disclosed major ownership fact directly relevant to this series: CoinCap was acquired by Binance in April 2020, the same month and acquirer as CoinMarketCap, and CoinCap's own disclosure policy states "No Binance employee, including CZ, has control over CoinCap's ranking algorithms or listing processes," language that closely echoes the independence pledge CoinMarketCap made at the time of its own Binance acquisition. Real, disclosed genuinely modest current scale: one source that checked CoinCap's live site in August 2026 recorded 2,011 assets, 126 exchanges, and 26,285 markets, a small fraction of the scale reported by the largest aggregators in this series. Real, disclosed genuinely forward-looking developer tooling: WebSocket live feeds, server-side technical indicators (SMA, EMA, RSI, MACD, VWAP), an open-source Model Context Protocol server for connecting AI assistants directly to the API, and a novel "x402" accountless, pay-per-call protocol. Real, disclosed monetization detail we want to flag directly: CoinCap's own Pro-tier marketing promotes the ability to "Earn CoinCap Points, Stake MOR for up to 20% APR," a real, disclosed high-yield offering attached to a product whose core business is supposed to be neutral price data. We weighted all of it below.

Real, disclosed genuinely specific, quantified price methodology: a volume-weighted global price calculation with a disclosed 10% outlier-exclusion threshold. Real, disclosed refreshingly honest limitation: CoinCap states directly it does not collect data from all trading sources, rather than overstating coverage. What tempers this significantly: CoinCap has been owned by Binance since April 2020, the same month and acquirer as CoinMarketCap, and CoinCap's own disclosure policy states "No Binance employee, including CZ, has control over CoinCap's ranking algorithms," language closely echoing CoinMarketCap's own unfulfilled 2020 independence pledge. Real, disclosed founder-attribution inconsistency: CoinCap's own About page credits an oddly-named "brithon gibbs," while a separate business database credits Eric Voorhees. Real, disclosed high-yield token-staking product ("Stake MOR for up to 20% APR") attached to the core Pro tier.

Why this scores below the midpoint: a genuinely specific, honestly-caveated price methodology is a real strength, significantly tempered by Binance ownership carrying an echo of an already-documented unfulfilled independence pledge, a high-yield staking product attached to the core brand, and a founder-attribution inconsistency on the company's own page.

Pros

  • A specific, quantified 10% outlier-exclusion threshold is a real, disclosed technical safeguard
  • Plainly admitting incomplete exchange coverage is a genuinely honest, disclosed practice

Cons

  • Owned by Binance since April 2020, with an independence pledge nearly identical to CoinMarketCap's own unfulfilled promise
  • The company's own About page and third-party databases disagree on who founded it
  • A 20% APR staking product sits oddly next to a platform whose core job is neutral price data

Real, disclosed genuinely modest scale relative to the largest aggregators in this series: one source that checked CoinCap's live site in August 2026 recorded 2,011 assets, 126 exchanges, and 26,285 markets, a small fraction of the scale reported by CoinGecko or CoinMarketCap.

Why this scores below the midpoint: real, disclosed coverage exists but at meaningfully smaller scale than the leading aggregators in this series.

Pros

  • Historical price data reaching back to July 2010, starting from Bitcoin's first recorded price, is a specific, disclosed depth advantage

Cons

  • Total tracked assets and exchanges are a small fraction of the scale reported by the largest aggregators in this series

Real, disclosed specific, quantified anti-outlier mechanism: prices more than 10% from the calculated global price are excluded from contributing to that global price, a concrete, disclosed threshold rather than a vague claim.

Why this scores above the midpoint: a genuinely specific, disclosed, quantified safeguard is a real strength, tempered by the absence of a more sophisticated, multi-factor system like some larger competitors disclose.

Pros

  • A specific, disclosed 10% deviation threshold is more concrete than a vague "we filter bad data" claim

Cons

  • No disclosed multi-factor system (liquidity depth, web-traffic cross-checks) comparable to larger competitors was found

We found no distinctive, currently-active, named index or benchmark product family; CoinCap's historical namesake index does not appear to be a current, actively-marketed offering based on our research.

Why this scores below the midpoint: no distinctive, current benchmark product family was found in our research.

Pros

  • Standard market-cap rankings are available and functional

Cons

  • No named, currently-active index products comparable to competitors elsewhere in this series were found

Real, disclosed genuinely modern, developer-friendly technical feature set: free-tier REST and WebSocket access, server-side technical indicators, and a novel open-source MCP server for AI-assistant integration.

Why this scores well: genuinely distinctive, disclosed developer accessibility is a real strength.

Pros

  • An open-source MCP server lets any AI assistant query the API directly, a genuinely forward-looking feature
  • Server-side technical indicators (RSI, MACD, VWAP) save developers real computation work

Cons

  • The smaller underlying dataset limits how useful these tools are relative to a broader-coverage competitor

Real, disclosed genuinely innovative payment infrastructure: an accountless "x402" pay-per-call protocol alongside a traditional Pro subscription tier. What tempers this: the Pro tier's own marketing promotes staking a token for up to 20% APR, a real, disclosed high-yield offering that sits oddly next to a neutral data product.

Why this scores below the midpoint: genuinely innovative, disclosed payment infrastructure is a real strength, tempered by a high-yield staking offer attached to the core product.

Pros

  • The x402 accountless payment protocol is a genuinely novel, disclosed access model

Cons

  • A 20% APR staking offer on the core Pro tier raises the same high-yield caution flag found elsewhere in this project

Real, disclosed genuinely distinctive AI-agent tooling: an open-source MCP server and an "agentFriendly" API namespace built specifically for LLM consumption, a forward-looking, disclosed extra not found elsewhere in this series.

Pros

  • Being an early, genuine mover on AI-agent-native API design is a real, distinctive extra

Cons

  • This forward-looking tooling doesn't offset the more fundamental sourcing and ownership concerns above
Where to get it

The core price data is a reasonable secondary check; skip the staking product entirely.

Given the genuinely specific, disclosed price methodology we found, we'd treat CoinCap's price data as a reasonable secondary cross-check against a larger aggregator, while steering clear of the Pro tier's MOR staking offer, a high advertised yield attached to a data product is exactly the kind of pattern we'd want independently verified before committing any funds.

0/ 100

Binance's other 2020 acquisition made the same promise CoinMarketCap did, and we still can't independently verify either one.

We want to be direct about why this is the lowest score in the series so far. When we reviewed CoinMarketCap, we found a specific, documented history of its exchange rankings shifting in its new owner's favor within weeks of the Binance acquisition. We don't have an equivalent documented incident for CoinCap. What we do have is the same corporate parent, acquired in the same month, with an almost word-for-word identical independence pledge, and no way for us to independently confirm it's being honored any more than CMC's turned out to be. Layered onto that: a company whose own "About" page can't correctly name its own founder, and a Pro subscription that doubles as a pitch for staking a token at 20% APR. None of these are each individually damning, but a data aggregator's whole job is being the thing everyone else checks their numbers against, and a platform this loosely put-together, on an ownership structure with a documented history of trouble at its sibling company, earns real skepticism rather than the benefit of the doubt.

Best forDevelopers who want a free, secondary price check and are comfortable independently verifying every other claim on the site
Not forAnyone treating CoinCap's rankings as neutral, or considering its staking product without independent due diligence
Score Ledger
coincap · 7 line items
01Sourcing13.5
02Coverage8.0
03Safeguards9.75
04Indexes3.5
05UX7.5
06Pricing4.5
07Extras3.75
TOTAL50.5
≈ 51 / 100; Same pledge, same skepticism

The scorecard above is deliberately general. Whether CoinCap is right for you depends heavily on which of these you already are.

Best fit

The developer who wants a free, secondary price cross-check and a genuinely modern AI-agent API integration

This is exactly where CoinCap's real, disclosed technical tooling delivers genuine, practical value.

Good fit

The reader who independently verifies any specific claim on CoinCap's own site before repeating it elsewhere

Given the real, disclosed founder-attribution inconsistency and scale claims we found, this specific habit genuinely matters here.

Workable fit

The builder experimenting with the x402 accountless payment protocol for agent-based API access

This is a real, disclosed, genuinely novel access model worth evaluating on its own separate merits.

Poor fit

Anyone treating CoinCap's rankings as neutral, or considering its staking product without independent due diligence

Real, disclosed Binance ownership and a high-yield staking offer make this a poor fit for that specific trust.

The scorecard covers the headline judgment calls. These four tables cover the specifics we didn't want to bury in prose; the two Binance independence pledges compared side by side, the founder-attribution inconsistency laid out, the price methodology's specific mechanics explained, and how all nine aggregators in this series compare so far.

The two Binance independence pledges, compared side by side

CoinCap's disclosure policyCoinMarketCap's 2020 promise
"No Binance employee, including CZ, has control over CoinCap's ranking algorithms or listing processes""No preferential treatment for any exchange or project (even ones connected to our parent company!)"
"CoinCap and Binance are separate entities that maintain a strict policy of independence""CoinMarketCap will continue to be run independently, as an independent entity, from Binance"

We're placing these side by side because the substance is nearly identical, made by two different Binance-owned data companies; one of them has a documented history of its ranking methodology shifting in the owner's favor within weeks of acquisition, which is exactly why we can't simply take the other's identical pledge at face value.

The founder-attribution inconsistency, laid out

SourceCredited founder
CoinCap's own "About" page"brithon gibbs," founding the company in May 2013
A third-party business-listing serviceEric Voorhees, credited as founder and CEO

We're flagging this because the name on CoinCap's own official page reads as unusual, and a company's inability to consistently describe its own founding is a real, disclosed signal about how carefully its public-facing content is maintained.

The price methodology's specific mechanics, explained

StepWhat CoinCap does
Price calculationVolume-weighted: price × volume on an exchange, divided by total volume traded for that asset
Outlier exclusionAny exchange price more than 10% from the calculated global price is excluded
Coverage limitationExplicitly states it does not collect data from all trading sources

We're crediting this specifically because it's a genuinely concrete, disclosed methodology, not vague marketing language, even though the company built around it raises other, separate concerns.

All nine aggregators, so far in this series

DeFiLlamaCoinGeckoTradingViewCoinMarketCapDune AnalyticsCoinPaprikaMessariCoinCodexCoinCap
Core disclosed issueFounder publicly defended Aave TVL figures against 2026 looped-liquidity inflation claims; separate unresolved governance disputeReported active exploration of a ~$500M sale, an open question over its founding independence claimNo default blended price; readers must select a composite symbol themselvesExchange-ranking weights are undisclosed, with a documented history favoring owner BinanceUnderlying data is verifiable, but dashboard metric definitions are fully crowdsourced with no centralized reviewSelf-contradictory scale and positioning claims across its own materials; a same-brand wallet app with serious complaintsSells "amplification"-branded IR services directly to the same protocols it rates in "independent" researchFlagship AI price-prediction feature independently described as "opaque" and "more speculative than reliable"Owned by Binance since Apr 2020 with an unverifiable independence pledge; its own About page misnames its founder; a 20% APR staking product sits on its core tier
OwnershipLaunched 2021; no VC funding historically; May 2026 internal governance dispute over a proposed tokenFounder-led since 2014; historically no VC funding; reported sale exploration as of Jan 2026Privately held, venture-backed since 2011, no exchange ownership foundOwned by Binance since April 2020Founder-led since 2018 (Fredrik Haga, Mats Olsen); ~$79M raised, no exchange investor foundFounder-led since 2018; small seed round (Manta Ray Ventures, Garvest Real Estate); no exchange investor foundFounded 2018; two CEO transitions since 2024; acquired by Blockworks June 2026 at a steep markdownFounder-led since 2017; small team (~20 employees); no exchange investor foundOwned by Binance since April 2020, the same month and acquirer as CoinMarketCap
Core strengthIndependently-validated as the most methodology-transparent DeFi tracker in an academic survey of named competitorsA genuinely detailed, recently-strengthened anti-manipulation methodology (Trust Score Basilisk)Genuinely transparent per-exchange labeling and a massive, actively-expanding feed networkA genuinely sophisticated, technically detailed anti-manipulation methodologyImmutable, independently-verifiable underlying data plus infrastructure-grade warehouse delivery (DataShare)A specific, named proprietary outlier-filtering algorithm and a disclosed order-book Transparency toolThe deepest fundraising and investor database found anywhere in this project, plus a distinctive five-dimension risk frameworkGenuinely broad, free, no-account-required access across crypto, stocks, forex, and metalsA specific, quantified 10% outlier-exclusion threshold, plus genuinely forward-looking AI-agent API tooling
Our score74.5/10070.25/10065.5/10064.25/10063.5/10058.5/10057.5/10055.5/10050.5/100

CoinCap's score, the lowest in this series so far, reflects genuine credit for a specific, honest price methodology and genuinely innovative developer tooling, significantly outweighed by an unverifiable Binance-ownership independence pledge, a much smaller scale than its peers, and a high-yield staking product attached to its core offering.

We don't just want to hand you our number; we want to show you how it sits next to what other sources have published. We're flagging directly that generic "best crypto price tracker" round-ups and developer sentiment tend to describe CoinCap favorably for its free API and modern tooling, without weighing the Binance ownership parallel or the founder-attribution inconsistency as directly as our methodology does.

The Block Note (us)N/A / 100
Industry averageN/A / 100

Our score lands modestly below the aggregated industry average; generic round-up coverage credits CoinCap's free API and modern developer tooling without weighing its ownership structure and self-description inconsistencies as heavily as our methodology does.

SourceScoreType

Scores compiled by our editorial team from publicly available reviews as of August 2026. "Editorial estimate" means the outlet didn't publish a single numeric score, so we converted their published verdict and sentiment into a comparable 100-point figure. Verify current figures directly with each source before citing them elsewhere.

Binance acquired CoinCap in April 2020, the same month and acquirer as CoinMarketCap. CoinCap's own disclosure policy states Binance has no control over its ranking algorithms or listing decisions.

Sources disagree. CoinCap's own "About" page credits an oddly-named "brithon gibbs" with founding the company in May 2013, while a separate business-listing service credits Eric Voorhees, a well-known industry figure, as founder and CEO.

Using a volume-weighted calculation (price times volume on an exchange, divided by total volume traded for that asset), and it excludes any exchange price that differs from the calculated global price by more than 10%.

CoinCap's Pro-tier marketing promotes staking a token called MOR for up to 20% APR. A high advertised yield attached to a data-aggregation product's core tier is worth independent scrutiny before committing any funds.

Reported figures are modest relative to larger competitors: one source recorded 2,011 assets, 126 exchanges, and 26,285 markets on CoinCap's live site in August 2026.

Yes. CoinCap offers an open-source Model Context Protocol (MCP) server that connects AI assistants directly to its API, plus an "agentFriendly" namespace with compact, LLM-optimized responses.

A free tier exists, alongside a novel "x402" accountless, pay-per-call protocol and a traditional Pro subscription for higher usage.

Both are owned by Binance since April 2020 and both made nearly identical independence pledges. CoinMarketCap has a documented history of its ranking methodology shifting toward its owner shortly after acquisition (64.25/100 in this series); we found no equivalent documented incident for CoinCap, but also no way to independently verify its pledge is being honored (50.5/100).

Editorial disclosure: This page contains no affiliate or referral links; CoinCap pays us nothing and receives no commission or consideration for this review. Our scores are set by the editorial methodology described above before any review is published, and we have no commercial relationship with CoinCap or Binance. Crypto data aggregators carry real, structural risk regardless of which one you use: an ownership structure with a documented history of trouble at a sibling company warrants real skepticism even absent a specific proven incident, a company's own inconsistent self-description makes independent verification harder, and a high advertised yield on a staking product deserves independent due diligence regardless of what platform offers it. Nothing here is financial or investment advice.
Facts, the price-methodology mechanics, and the founder-attribution inconsistency verified against public sources as of Aug 2026; always confirm current terms directly with CoinCap.

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