We extract transaction histories, smart contract ABIs, token transfers, and wallet analytics from Etherscan. Delivered as clean JSON, CSV, or Parquet to S3 or BigQuery on your cadence.
Structured, schema-consistent data across all major object types — delivered clean, typed, and ready to query.
Complete list of extractable fields for Transactions objects from etherscan.io. All fields typed and schema-versioned.
"tx_hash": "0x8a9c...1f2b", "block_number": 19482910, "timestamp": "2024-03-20T14:22:11Z", "status": "Success", "method": "Swap Exact Tokens", "from_address": "0x7a25...48b3", "to_address": "0xef1c...99a1", "value_eth": 0.0, "transaction_fee": 0.0042
| # | tx_hash | block_number | timestamp | status | method | from_address |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | ||||||
| 3 |
Complete list of extractable fields for Smart Contracts objects from etherscan.io. All fields typed and schema-versioned.
"contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7", "creator_address": "0x36928500bc1dcd7af6a2b4008875cc336b927d57", "compiler_version": "v0.4.17+commit.bdf511c4", "optimization_enabled": false, "license_type": "None", "evm_version": "Default", "runs": 200, "abi": "[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"}]"
| # | contract_address | creator_address | creation_tx | compiler_version | optimization_enabled | runs |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | ||||||
| 3 |
Complete list of extractable fields for Token Transfers objects from etherscan.io. All fields typed and schema-versioned.
"tx_hash": "0x1b2c...9d8e", "block_number": 19482915, "timestamp": "2024-03-20T14:23:00Z", "from_address": "0x5c4a...22f1", "to_address": "0x8d9e...11a2", "value": 1500.0, "token_name": "Tether USD", "token_symbol": "USDT", "token_contract": "0xdac17f958d2ee523a2206206994597c13d831ec7"
| # | tx_hash | block_number | timestamp | from_address | to_address | value |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | ||||||
| 3 |
Complete list of extractable fields for Wallet Analytics objects from etherscan.io. All fields typed and schema-versioned.
"wallet_address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045", "eth_balance": 42.5, "token_value_usd": 1450291.22, "tx_count": 8492, "ens_name": "vitalik.eth", "is_contract": false, "first_tx_date": "2015-08-07T14:55:02Z", "last_tx_date": "2024-03-20T10:11:44Z"
| # | wallet_address | eth_balance | token_value_usd | tx_count | first_tx_date | last_tx_date |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | ||||||
| 3 |
Complete list of extractable fields for Blocks objects from etherscan.io. All fields typed and schema-versioned.
"block_number": 19482910, "timestamp": "2024-03-20T14:22:11Z", "proposed_by": "0xdafea492d9c6733ae3d56b7ed1adb60692c98bc5", "tx_count": 142, "gas_used": 14920192, "gas_limit": 30000000, "base_fee_per_gas": 34.2, "burnt_fees_eth": 0.51
| # | block_number | timestamp | proposed_by | tx_count | internal_tx_count | ommer_count |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | ||||||
| 3 |
Our Etherscan scraper navigates Cloudflare protections, bypasses UI export limits, and parses complex nested transaction logs, delivering structured web3 intelligence directly to your database.
Extract complete transaction logs for any wallet or contract, capturing method calls, gas fees, and status flags across millions of records.
Pull verified source code, ABIs, compiler versions, and constructor arguments for deep protocol analysis and security auditing.
Track ERC-20, ERC-721, and ERC-1155 movements between addresses, with token metadata and USD value estimation at time of transfer.
Capture nested contract calls and value transfers that standard JSON-RPC nodes often obscure or make expensive to query.
Collect Etherscan's proprietary wallet labels, exchange tags, and malicious address warnings to enrich your compliance datasets.
Etherscan limits CSV exports to 10,000 records. Our distributed crawlers paginate through the entire history of high-volume contracts.
Monitor block proposers, base fee volatility, burnt fees, and MEV extraction patterns across historical block ranges.
Etherscan employs strict anti-bot measures. We handle JS challenges, TLS fingerprinting, and CAPTCHAs natively within the pipeline.
Configure streaming pipelines to alert on whale movements, exchange deposits, or specific smart contract interactions with sub-minute latency.
Brief in. Clean data out.
Provide wallet addresses, contract hashes, or block ranges. We design the extraction schema together.
We configure Scrapy crawlers, residential proxy rotation, session management, and Cloudflare bypass for etherscan.io.
Schema validation, null-rate checks, and nested log parsing verification before full launch.
JSON, CSV, or Parquet pushed to your S3 bucket, BigQuery dataset, or Snowflake stage on agreed cadence.
Web3 data is public, but block explorers protect their infrastructure aggressively. Here is how we maintain steady extraction rates.
Etherscan sits behind strict Cloudflare protection. Our infrastructure uses Playwright with patched browser binaries, realistic TLS client hellos, and residential proxies to solve Turnstile challenges without triggering blocklists.
The Etherscan UI caps transaction exports at 10,000 rows. We utilise advanced pagination techniques, date-range slicing, and block-height bounding to extract complete histories for contracts with millions of interactions.
A single transaction can trigger dozens of internal contract calls. We traverse the advanced transaction trace DOM to extract every state change, log event, and value transfer accurately.
Aggressive scraping leads to immediate IP bans. We distribute requests across thousands of residential IPs, randomising request intervals and mimicking human navigation patterns to stay under Etherscan's rate limit thresholds.
Raw block data requires extensive formatting. Our pipeline automatically converts hexadecimal values, normalises Wei to ETH, and aligns timestamps to standard ISO 8601 UTC formats before delivery.
Hedge funds track whale wallet movements, exchange inflows, and DEX liquidity pools to inform high-frequency trading models.
Accounting firms extract complete transaction histories for corporate treasuries to reconcile balances and calculate capital gains.
Web3 founders monitor competitor smart contracts, tracking daily active users, gas consumption, and total value locked.
Security researchers analyse verified contract source code and track funds from known exploits through mixers and bridges.
Analysts parse block proposer data, transaction ordering, and gas bidding wars to map Maximum Extractable Value strategies.
Token issuers map transaction clusters and funding sources across millions of wallets to identify and exclude Sybil farmers.
"Etherscan holds the most comprehensive indexed view of the Ethereum blockchain, but web interface pagination restricts systematic analysis."
Most teams underestimate the infrastructure required to parse block explorers. Reliable Etherscan scraping requires Cloudflare bypass, residential proxies, and deep DOM traversal for internal transactions. DataFlirt absorbs that complexity so your quants can focus on alpha generation.
Everything supported by our etherscan.io scraper — rendered SPA elements, auth walls, rate-limit evasion and beyond.
Open-source tooling on proven cloud infra — no vendor lock-in, full observability.
Scrapy handles crawl orchestration and deduplication. Playwright handles JavaScript execution, Cloudflare challenges, and DOM interaction. Combined via scrapy-playwright middleware.
We maintain pools of residential ISP proxies. Rotation happens per-request with sticky sessions where required. IP score monitoring prevents blacklisted pool contamination.
Pipelines run on AWS Lambda and Kubernetes. Airflow handles scheduling, dependency management, and SLA alerting. All state stored in managed PostgreSQL.
Data delivered to where your team already works — no new tooling required.
About etherscan.io scraping, legality, and pipeline operations.
Ask us directly →Blockchain data is inherently public. Scraping publicly available information from block explorers is generally permissible. DataFlirt targets only public transaction, contract, and wallet data. We do not extract personal data or bypass authentication walls. Clients should review Etherscan's ToS and consult legal counsel for specific use cases.
We do not rely on the UI export button. Our crawlers paginate through the HTML transaction tables, using date-range slicing and block-height bounding to segment large wallets and contracts, extracting millions of rows systematically.
Yes. We use Playwright with patched browser binaries, realistic TLS fingerprints, and automated CAPTCHA solving services to pass Turnstile challenges without human intervention.
Yes. Internal transactions triggered by smart contracts are fully parsed, including value transfers and method calls that are often missing from standard JSON-RPC node outputs.
For monitored addresses, streaming pipelines can deliver new transactions within minutes of block confirmation. Large historical backfills process at a rate of roughly 1-2 million records per day depending on DOM complexity.
Yes. The underlying infrastructure supports BscScan, PolygonScan, Arbiscan, Optimistic Etherscan, and other block explorers built on similar codebase architectures.
20-minute scoping call. Pilot dataset within the week. Production within two. Whether you need a complete historical dump of a decentralized exchange or continuous monitoring of whale wallets, we scope, build, and operate the pipeline. Tell us what you need.