Compare · Arkham
Arkham Intelligence alternative and Arkham API pricing compared
Arkham tells you whose wallet it is. Its API is granted by application, with no public price list.
If you need Bitcoin balances, flows and SQL you can buy today and reproduce at a block height, compare the two here.
REST API · SQL · dashboards · address history since the 2009 genesis block
BTC
Balance trail
informational on-chain data · not financial advice
Arkham leads on attribution, naming entities across Bitcoin, Ethereum, Solana, Tron and more with a visual tracer and alerts, while BitcoinDatabase is a self-serve Bitcoin index with published prices, address history back to 2009 over REST, and SQL over an indexed chain that grows with every block.
Side by side
Arkham vs BitcoinDatabase, honestly
A fair look at what each does well. Both are capable tools. Here is where they differ.
| What matters | BitcoinDatabase | Arkham |
|---|---|---|
| What you buy | A Bitcoin data index over REST, SQL and exports | An entity intelligence platform: labels, tracer, alerts, counterparties and USD flows |
| How you get API access | Self-serve: pick a plan, the key is issued at checkout | By application through a form; an API Pilot Program for eligible institutions and power users |
| Published API price | Developer $49, Growth $199, Scale $799 a month, Enterprise on contact | No price list on arkm.com; the AWS Marketplace listing shows a free tier metered in credits |
| How calls are metered | 1 credit per address, tx or block lookup, 5 per SQL query | Credits per call, the amount depends on the endpoint |
| Networks | Bitcoin only | Bitcoin, Ethereum, Solana, Tron, Zcash, Polymarket and Hyperliquid, per the AWS listing |
| Entity attribution | Labels endpoint on Scale, one address per call, informational only | The core product; batch intelligence takes up to 1,000 addresses per request |
| Balance at a past block height | From full REST address history back to 2009, or one SQL query within the indexed chain, from Growth | Historical balances are offered; check whether your plan returns them pinned to a height or a timestamp |
| SQL across addresses | Yes, POST /v1/sql from Growth | Not offered; REST endpoints |
| Rate limits | 10, 50 or 250 requests a second by plan | Counterparty endpoints one request a second; other limits per endpoint |
| Unauthenticated call from a cloud server | HTTP 401 with a JSON error body | HTTP 403 with a Cloudflare HTML block page in 0.20 s, docs page blocked the same way |
| Best suited for | Bitcoin exchanges, custodians, auditors and analysts who need numbers they can reproduce | Traders, investigators and researchers who need to know who is behind an address on many chains |
Comparison reflects general, publicly understood positioning. Capabilities change, so check each product for the latest.
Why teams pick BitcoinDatabase
The fully indexed Bitcoin blockchain, queryable by REST, SQL and dashboards
What Arkham API access costs, and how you get it
We checked Arkham's own pages on 28 September 2026. The Arkham Codex says the API is for users who want to integrate data flows into their own systems and sends you to an application form. Arkham announced an API Pilot Program open to eligible institutions and Arkham power users, covering entity labels, transaction histories, balances, token metrics, USD flows and counterparties. arkm.com publishes no API price list. The AWS Marketplace listing for the Arkham API shows a single free tier metered in credits, where the credits a call uses depend on the endpoint, counterparty endpoints are limited to one request a second, and batch intelligence accepts up to 1,000 addresses per request. So the honest answer to "how much does the Arkham API cost" is that access is granted, not bought, and you learn your terms when you apply. BitcoinDatabase publishes its prices: Developer $49 a month for 500,000 credits, Growth $199 with SQL and full history, Scale $799 with labels, webhooks and bulk exports.
A label and a balance answer different questions
Attribution is Arkham's strength and we do not compete with it on names. A label tells you who probably owns a wallet. It does not tell you what the wallet held at the block your audit or report is pinned to, and that is a separate measurement. On 28 September 2026 we read five exchange cold addresses we track at block 969,059. Their total was 685,431.54334626 BTC, identical to the satoshi to our reading at block 968,700, 359 blocks earlier, and two independent explorers agreed on every digit. In the same reading a 546 satoshi dust payment to one of those addresses, paying 0.162 sat/vB, was still unconfirmed after more than two days. The funding hot wallet held 11,659.65 BTC across 2,339,834 transactions. Those are row level facts at a height, and they are what a SQL index over the chain is built to return.
Our probe hit a Cloudflare wall, not a JSON error
We called the Arkham API from a cloud server without a key on 28 September 2026. GET api.arkm.com/intelligence/address followed by a Bitcoin address answered HTTP 403 in 0.20 seconds with a Cloudflare "Attention Required" HTML page, not a JSON error, and arkm.com/api/docs was blocked the same way. On 6 September 2026 our unauthenticated test of Arkham had come back as HTTP 400 with a please sign up message, so the error a keyless client sees changed shape within three weeks. With a valid key and an allowlisted network your results may differ, and we say so plainly. It still matters for production code: a client that parses every response as JSON will throw on an HTML block page, so treat a 403 with a text/html content type as a network block, alert on it, and do not retry it in a tight loop. BitcoinDatabase answers a missing or bad key with HTTP 401 and a JSON body, and a spent credit pool with 402, so the error is always machine readable.
Where Arkham is the better buy
If your question is who is behind an address, on Bitcoin and on the chains around it, Arkham is the stronger tool. Its web platform, tracer, visualizer and alerts are built for investigators, traders and journalists, it covers Ethereum, Solana and Tron as well as Bitcoin, and batch lookups of up to 1,000 addresses suit screening work. BitcoinDatabase is the better fit when Bitcoin is the business and the output is a number someone will check: a balance at a period-end block, net flow through an exchange cluster over a window, every output of a script type in a range, or a reconciliation that has to tie out to the satoshi. You can buy it today without an application, start on REST at $49 a month, and move to SQL at $199 when the questions span many addresses.
Good questions
Arkham vs BitcoinDatabase, answered
Explore the data
The Bitcoin data you can query here
Bitcoin node API
JSON-RPC style access to blocks, transactions and balances, with no Bitcoin Core to run.
ExploreBitcoin address labels
Attach exchange, miner and service labels to addresses, so raw hashes read as entities.
ExploreBitcoin address lookup
Look up any Bitcoin address: balance, full history and UTXOs in one query.
ExploreBTC address balance API
Get exact balances and UTXOs for any address, in batches.
ExploreMore comparisons
See how BitcoinDatabase compares
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vs QuickNodeQuickNode alternative
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vs HiroHiro alternative
Hiro retired its Bitcoin Layer 1 APIs. The endpoints now answer HTTP 410 Gone, and the migration link inside that answer is itself dead.
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Query the whole Bitcoin blockchain in one place
An address in, structured on-chain data out. BitcoinDatabase serves balances, UTXOs, transactions, entity labels and fund flows, with address history back to the 2009 genesis block over REST, and SQL and dashboards over the indexed chain. No node to run.
REST + SQL + dashboards · new blocks within seconds · informational on-chain data only