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Start with your accounts, not a provider’s headline integration count. List every exchange, wallet, blockchain, and tax year you need to report; verify the exact import method for each; then check transaction limits and whether the reports fit your country and filing workflow. A tool is only a practical fit if it can bring in the activity you actually need and let you review and correct it.
Why compatibility depends on your full account history
Crypto tax software calculates from transaction data you connect or upload. If an exchange, wallet, blockchain, or earlier tax year is missing, the resulting totals may not reflect all of your activity. A service can list hundreds of integrations and still lack a workable route for one account that matters to you.
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“Supported” can mean different things: a direct exchange connection, a downloadable CSV, a public wallet address, or a particular blockchain import. An exchange listing does not automatically cover a self-custody wallet, and support for one chain does not imply support for every network on which the same address is active.
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There is no universally best choice without knowing your accounts, jurisdiction, transaction volume, and preferred filing process. The useful question is whether a provider has a reliable import path for every source you used and produces reports suitable for your situation.
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Make an account inventory before comparing providers
Build one row per source account, rather than one row per company or brand. Include accounts you have closed and wallets you no longer use if they contain activity in a tax year you need to report. Note the tax years involved: a connection that imports recent activity may not reach the full history you need.
| Record to check | What to establish |
|---|---|
| Exchange and account type | Is the exact exchange and regional or account product listed? Can it connect by API, sign-in, or CSV? |
| Self-custody wallet | Does the service support the wallet itself, or can it import the relevant public address or xPub? Is WalletConnect offered? |
| Blockchain and network | List every chain and layer 2 network where you transacted. Check each separately, rather than assuming one address entry covers all networks. |
| History | Can the available import method retrieve the full period required, including older years and closed accounts? |
| Update process | Does the connection refresh automatically or only when you request it? For a CSV, how often will you need to export and upload a new file? |
| Unsupported activity | Can you add the gap manually or with a provider-formatted CSV? What fields must the file contain, and can you reconcile the entries? |
| Tax volume | Estimate the transactions counted for each filing year and identify the plan threshold that covers that volume. |
| Report and filing workflow | Does the service offer reports for your country and tax year, and can it connect to your filing software or support your tax professional’s workflow? |
Keep a record of the exact integration name and method you verified. Vendor directories and import instructions can change, so check them again before connecting accounts and before filing.
Verify every exchange, wallet, and chain
Check the exact exchange product and region
Search the provider’s current integration directory for the exchange and the account product you used. A company name alone may not establish that a particular regional service or account type is supported. Confirm whether the listing offers API or sign-in sync, an exchange CSV, or another route. Also check whether the method can reach the years you need, not just whether it can connect.
For an API connection, read the permissions requested on the exchange’s authorization screen. CoinLedger describes its exchange sync as read-only API access, while Koinly documents API imports that can keep data in sync as trading continues. Those product descriptions do not establish the permissions or historical reach of every individual exchange connection. Verify the specific connection before authorizing it.
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Check self-custody wallets by address and network
Some imports use a public address or xPub rather than a connection to the wallet application. Confirm that the address is the one that actually received or sent your activity and that the provider supports the network involved. A wallet application may let you use multiple chains; adding its address for one chain does not necessarily import transactions on another.
CoinTracker documents public-address or xPub imports and WalletConnect, and notes that an extension wallet may sometimes be added using the public address of a primary wallet. Treat that as a workaround to verify for your own wallet and activity, not as a guarantee that all features or transaction labels will carry over. Never give a tax service a wallet’s private key or seed phrase. The documented public-address, xPub, and connection flows are different from disclosing signing secrets.
Check each blockchain, including layer 2 networks
Make a separate list of all chains and networks used, including layer 2 networks, and verify each entry in the provider’s workflow. Koinly’s blockchain instructions explain that an import for a blockchain covers that chain only. For example, the same address used on Ethereum, Arbitrum, and BNB Smart Chain requires separate chain entries in its workflow. Do not infer chain coverage from an exchange or wallet listing.
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| Import route | What it does | What to check |
|---|---|---|
| API or sign-in sync | Connects an exchange account so data can be imported and, depending on the integration, refreshed as activity continues. | Review the requested permission scope, historical coverage, and whether refreshing is automatic or on demand. |
| Exchange CSV | Imports a file exported from the exchange; useful when a direct connection is unavailable or unsuitable. | Confirm you can obtain the right export for all relevant years and know how to upload later activity. |
| Public address or xPub | Imports public-chain activity associated with an address or extended public key. | Confirm the address or xPub is correct and add each supported network separately where required. |
| WalletConnect | Provides a wallet connection route documented by CoinTracker. | Verify compatibility with your wallet and check that the imported history and transaction labels are adequate. |
| Manual entries or formatted CSV | Fills in activity from a source that has no suitable direct import. | Check required fields and reconcile the resulting entries; assess whether the amount of manual work is manageable. |
API sync: less repeated uploading, but verify scope
An API connection can reduce repeated file exports. Koinly says API imports can keep data in sync as trading continues; CoinLedger describes exchange syncing through a read-only API. These are vendor descriptions of their products, not independent proof that a particular connection captures every event or year. Verify the exchange’s permission screen and compare imported history with your exchange records.
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CSV: a useful fallback that needs upkeep
CSV imports are not all interchangeable. A provider may accept a file generated by a particular exchange, or require its own formatted CSV for other data. CoinTracker documents direct exchange CSV files and a CoinTracker-formatted CSV for other data. Koinly documents exchange CSV imports and says that after further trades, users must export a new file and import it again to keep the wallet current.
Before relying on a CSV route, check that you can export the right data for the full period, that the file format is accepted, and that later activity can be added without duplicating earlier records. If you are filling a gap with custom data, confirm which fields are required and how the software will treat transfers and other entries.
Manual entry: best reserved for manageable gaps
Koinly says unsupported blockchains can be entered manually or through a Koinly-readable CSV. This can be workable for a small number of missing transactions. A high-volume account can make manual entry burdensome and increase the chance of omissions or inconsistent classifications. Test the method with a small, representative set of records and compare it with the original source before choosing a plan around it.
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Provider pages are useful for understanding stated product features, but they are not independent performance tests or guarantees that your account will import completely or accurately. The following snapshots reflect vendor documentation accessed on October 9, 2026, plus the publication dates of the cited help pages. Recheck current directories, terms, and plan details before buying.
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| Provider | What its documentation describes | What to verify for your situation |
|---|---|---|
| CoinTracker | Its directory displayed 632 integrations when accessed in 2026. Examples shown included exchanges, wallets, and chains such as Coinbase Exchange and Wallet, Ethereum, Bitcoin, MetaMask, Binance and Binance US, Solana, Polygon, Kraken, Ledger, KuCoin, Gemini, Base, Uphold, and XRPL. Its support article documents API or sign-in sync, custom exchange CSV, public address or xPub, CoinTracker CSV, and WalletConnect. | Search for each exact account, wallet, and chain; confirm the available method and history. Its support article says an item not listed on its Add wallet page is not yet supported and describes alternate import methods. |
| Koinly | Its exchange import documentation, dated June 24, 2026, describes API auto-sync and CSV imports and says it has integrations for hundreds of exchanges and services. Its blockchain instructions, dated June 23, 2026, explain per-chain imports and manual or Koinly-readable CSV options for unsupported chains. | Check each chain separately, including layer 2 networks, and determine whether an unsupported activity gap is small enough to handle manually or by CSV. |
| CoinLedger | Its product and pricing page describes read-only exchange API sync, exchange CSV and custom CSV, public-address wallet sync, and unlimited exchanges and wallets. It describes free importing and portfolio tracking, with payment required to access the full tax report. | Test the exact accounts and inspect current plan terms, transaction limits, and report access before relying on those product claims. |
The largest directory is not necessarily the best fit. A provider with a smaller list may work better if it supports every account you used through a method you can maintain. Conversely, a long list does not help if one critical chain, regional account, or required filing report is missing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Check transaction thresholds and total cost by tax year
Compare the plan threshold with the transaction count the provider will count for the filing year—not simply the number of trades you remember making. Ask how it counts imported transactions, transfers, spam or dust activity, and transactions from multiple wallets. Check whether each historical tax year needs a separate purchase and whether a paid plan is required to download the report you need.
CoinTracker’s pricing page showed a Base plan at $59 per year for up to 100 transactions when accessed in 2026. This is a dated vendor pricing snapshot, not a guaranteed current price. Its page also showed higher tiers and full-service options; check the current pricing page for applicable limits and terms.
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- Estimate activity separately for every tax year you plan to process.
- Check what counts toward the provider’s threshold, especially transfers and unwanted or spam activity.
- Compare the cost of all required years and any extra transaction allowance, not just the entry-level annual price.
- Confirm that the plan you can afford unlocks the report downloads or filing connections you need.
Confirm that reports fit your country and filing workflow
Import compatibility is only one part of the choice. Check that the provider offers the report or tax forms relevant to your jurisdiction and tax year, and that you can use the result in your filing process. A report described for one country should not be assumed to satisfy another country’s requirements.
CoinTracker’s Tax Report Center support page describes generating tax forms, syncing filing software, and downloading CSV reports. It identifies US resources for TurboTax and H&R Block, and says country-specific forms are available in select regions. The same page said 2026 CSV tax reports would be available in late January 2027. Availability can depend on region and timing, so check the current status for the year and jurisdiction you need.
If you work with a tax professional, ask what file or report they can use and whether they need transaction-level data as well as a summary. Where you are unsure about local reporting requirements or tax treatment, verify current guidance from the relevant tax authority or consult a qualified tax professional; product documentation does not determine your tax obligations.
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A successful connection is not proof that the import is complete or that every transaction is classified correctly. The reviewed vendor documentation describes import routes and product features; it does not independently establish the completeness or accuracy of an account-specific import. Reconcile the software’s records against your exchange exports and wallet activity before using generated totals.
- Missing history: Compare the earliest and latest imported dates with the records you need. An exchange may connect while still leaving older history outside the import.
- Missing cost basis: Look for transactions without acquisition information and trace them to the source account or transfer history before accepting a calculated gain or loss.
- Unmatched transfers: Check that transfers between your own wallets or accounts are represented on both sides and recognized as transfers rather than unrelated events.
- Duplicates: Review for overlap when you use both an API and a CSV, or upload a replacement file after adding new activity.
- Uncategorized activity: Inspect entries the software could not classify confidently and correct them using source records.
- Chain coverage: Confirm that every network used appears in the account inventory and imported records, rather than assuming the wallet’s primary chain represents all activity.
Keep the source exports and a note of the connection or file used for each account. That makes it easier to investigate a missing transaction, refresh a connection, or explain a correction later.
A practical selection sequence
- List accounts and years. Record every exchange account, self-custody wallet, chain, and filing year, including closed accounts and older activity.
- Search each provider’s live directory. Verify the exact account or network and write down the integration name, import route, and any stated historical limits.
- Identify gaps and test the fallback. Determine whether each unsupported source can be imported through an exchange or custom CSV, public address, or manual entry. Check required file fields and whether the reconciliation effort is realistic.
- Check permissions and maintenance. For API or sign-in connections, inspect the permissions requested. For CSV and manual methods, plan how you will add new records and avoid duplicate imports.
- Calculate annual volume and plan cost. Estimate transaction counts by tax year, confirm how the provider counts them, and include separate years, extra transaction packages, and report access in the comparison.
- Verify report fit. Confirm country, tax-year, and filing-software support for the reports you need; do not infer local suitability from a US example or a general product description.
- Validate the import. Compare the imported history with original records and resolve missing cost basis, unmatched transfers, duplicates, and uncategorized activity before relying on the totals.
Choose the provider that clears every essential account and reporting requirement with an import process you can maintain. If a critical account is unsupported and the fallback cannot be reconciled confidently, a larger integration count or lower starting price does not solve the problem.
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