SYSTEM all green source etherscan.io queue 19,402 blocks p99 latency 218ms dataflirt.com · scraper/etherscan-io
RUN . 182 active pipelines . etherscan.io live

Ethereum chain data,
at warehouse scale.

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.

Transactions parsed
14.2M /day
Smart contracts
84K /run
Token transfers
9.1M /24h
Active pipelines
182
Uptime
99.98%
Data Dictionary

Every field we extract from etherscan.io

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_hashblock_numbertimestampstatusmethodfrom_addressto_addressvalue_ethtransaction_feegas_pricegas_limitgas_usednonceposition
transactions
● 200 OK
"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_hashblock_numbertimestampstatusmethodfrom_address
1
2
3

Complete list of extractable fields for Smart Contracts objects from etherscan.io. All fields typed and schema-versioned.

contract_addresscreator_addresscreation_txcompiler_versionoptimization_enabledrunsevm_versionlicense_typesource_codeabiconstructor_arguments
smart_contracts
● 200 OK
"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_addresscreator_addresscreation_txcompiler_versionoptimization_enabledruns
1
2
3

Complete list of extractable fields for Token Transfers objects from etherscan.io. All fields typed and schema-versioned.

tx_hashblock_numbertimestampfrom_addressto_addressvaluetoken_nametoken_symboltoken_contractlog_index
token_transfers
● 200 OK
"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_hashblock_numbertimestampfrom_addressto_addressvalue
1
2
3

Complete list of extractable fields for Wallet Analytics objects from etherscan.io. All fields typed and schema-versioned.

wallet_addresseth_balancetoken_value_usdtx_countfirst_tx_datelast_tx_dateens_namecreator_addressis_contractpublic_tag
wallet_analytics
● 200 OK
"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_addresseth_balancetoken_value_usdtx_countfirst_tx_datelast_tx_date
1
2
3

Complete list of extractable fields for Blocks objects from etherscan.io. All fields typed and schema-versioned.

block_numbertimestampproposed_bytx_countinternal_tx_countommer_countsize_bytesgas_usedgas_limitbase_fee_per_gasburnt_fees_ethextra_data
blocks
● 200 OK
"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_numbertimestampproposed_bytx_countinternal_tx_countommer_count
1
2
3

Capabilities

Deep blockchain data extraction without node overhead

Our Etherscan scraper navigates Cloudflare protections, bypasses UI export limits, and parses complex nested transaction logs, delivering structured web3 intelligence directly to your database.

Full Transaction Histories

Extract complete transaction logs for any wallet or contract, capturing method calls, gas fees, and status flags across millions of records.

Smart Contract Decoding

Pull verified source code, ABIs, compiler versions, and constructor arguments for deep protocol analysis and security auditing.

Token Transfer Mapping

Track ERC-20, ERC-721, and ERC-1155 movements between addresses, with token metadata and USD value estimation at time of transfer.

Internal Transaction Parsing

Capture nested contract calls and value transfers that standard JSON-RPC nodes often obscure or make expensive to query.

Public Tag & Label Extraction

Collect Etherscan's proprietary wallet labels, exchange tags, and malicious address warnings to enrich your compliance datasets.

Bypass 10k Export Limits

Etherscan limits CSV exports to 10,000 records. Our distributed crawlers paginate through the entire history of high-volume contracts.

Gas & Block Analytics

Monitor block proposers, base fee volatility, burnt fees, and MEV extraction patterns across historical block ranges.

Cloudflare Turnstile Evasion

Etherscan employs strict anti-bot measures. We handle JS challenges, TLS fingerprinting, and CAPTCHAs natively within the pipeline.

Real-Time Wallet Monitoring

Configure streaming pipelines to alert on whale movements, exchange deposits, or specific smart contract interactions with sub-minute latency.

// engagement pipeline

From wallet address to warehouse record

Brief in. Clean data out.

Define Scope
d 0

Provide wallet addresses, contract hashes, or block ranges. We design the extraction schema together.

Pipeline Build
d 2–4

We configure Scrapy crawlers, residential proxy rotation, session management, and Cloudflare bypass for etherscan.io.

Validation & QA
d 4–6

Schema validation, null-rate checks, and nested log parsing verification before full launch.

Delivery
ongoing

JSON, CSV, or Parquet pushed to your S3 bucket, BigQuery dataset, or Snowflake stage on agreed cadence.

Under the hood

How our Etherscan pipeline handles the hard parts

Web3 data is public, but block explorers protect their infrastructure aggressively. Here is how we maintain steady extraction rates.

pipeline-monitor · etherscan.io · live ● active
// fingerprinting
Identity rotation
TLS fingerprintrandomised
User-agentrotated
IP poolresidential
Challenges blocked0
// pagination
Page coverage
48,291 pages queued running
// observability
Pipeline health
99.9%
uptime
142ms
p99 lat
0.3%
null rate
2
alerts
Anti-bot layer
Cloudflare Turnstile and TLS fingerprinting

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.

Data limits
Bypassing the 10,000 record ceiling

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.

DOM complexity
Parsing nested internal transactions

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.

Rate limiting
Distributed request pacing

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.

Data normalisation
Hexadecimal and Wei conversion

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.

Applications

Who uses Etherscan data and how

Teams across industries use etherscan.io data to build competitive products and smarter operations.

01
Alpha Generation & Quant Trading

Hedge funds track whale wallet movements, exchange inflows, and DEX liquidity pools to inform high-frequency trading models.

02
Tax & Compliance Auditing

Accounting firms extract complete transaction histories for corporate treasuries to reconcile balances and calculate capital gains.

03
Protocol Analytics

Web3 founders monitor competitor smart contracts, tracking daily active users, gas consumption, and total value locked.

04
Security & Threat Intelligence

Security researchers analyse verified contract source code and track funds from known exploits through mixers and bridges.

05
MEV Research

Analysts parse block proposer data, transaction ordering, and gas bidding wars to map Maximum Extractable Value strategies.

06
Airdrop Sybil Detection

Token issuers map transaction clusters and funding sources across millions of wallets to identify and exclude Sybil farmers.

Why DataFlirt

"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.

Technical Spec

Etherscan scraper technical capabilities

Everything supported by our etherscan.io scraper — rendered SPA elements, auth walls, rate-limit evasion and beyond.

Cloudflare Turnstile bypass
Automated solution using Playwright and CapSolver integration
Supported
Pagination past 10k limit
Date-slicing algorithms to extract complete histories for heavy contracts
Supported
ERC-20 transfer parsing
Extraction of token metadata, amounts, and involved addresses
Supported
Smart contract ABI extraction
Retrieval of verified source code, ABIs, and compiler details
Supported
Internal transaction mapping
Parsing nested contract calls and value transfers
Supported
ENS name resolution
Mapping raw hexadecimal addresses to registered ENS names
Supported
Real-time block listening
Continuous polling for new transactions matching defined criteria
Supported
Historical state extraction
Backfilling transaction data from genesis block onwards
Supported
Private user watchlists
Requires authenticated Etherscan account sessions
Partial
Etherscan Pro API endpoints
Direct access to paid API endpoints requires a client API key
Partial
Infrastructure

Infrastructure powering the Etherscan pipeline

Open-source tooling on proven cloud infra — no vendor lock-in, full observability.

ScrapyPlaywrightPython 3.12RedisPostgreSQLApache AirflowAWS LambdaS3CloudWatch2CaptchaCapSolverResidential ProxiesDockerKubernetesGrafanaPrometheus
Scrapy + Playwright Stack

Scrapy handles crawl orchestration and deduplication. Playwright handles JavaScript execution, Cloudflare challenges, and DOM interaction. Combined via scrapy-playwright middleware.

Residential Proxy Infrastructure

We maintain pools of residential ISP proxies. Rotation happens per-request with sticky sessions where required. IP score monitoring prevents blacklisted pool contamination.

Cloud-Native Orchestration

Pipelines run on AWS Lambda and Kubernetes. Airflow handles scheduling, dependency management, and SLA alerting. All state stored in managed PostgreSQL.

Output & Delivery

Your data, your destination

Data delivered to where your team already works — no new tooling required.

JSON
Newline-delimited or nested array structures
CSV
Flat file with typed columns for quick analysis
XLS
Excel compatible format for finance and tax teams
Parquet
Columnar format for BigQuery, Snowflake, Athena
AWS S3
Direct bucket delivery compatible with any data lake
Webhook
HTTP POST per record for real-time downstream processing
API
REST endpoint to query your extracted datasets
BigQuery
Streamed directly into your dataset with schema auto-detect
S3
Direct bucket delivery — compatible with any data lake
// faq

Common questions.

About etherscan.io scraping, legality, and pipeline operations.

Ask us directly →
Is scraping Etherscan legal?

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.

How do you bypass the 10,000 record export limit?

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.

Can you handle Cloudflare Turnstile?

Yes. We use Playwright with patched browser binaries, realistic TLS fingerprints, and automated CAPTCHA solving services to pass Turnstile challenges without human intervention.

Do you extract internal transactions?

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.

How fresh is the data?

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.

Do you support other EVM block explorers?

Yes. The underlying infrastructure supports BscScan, PolygonScan, Arbiscan, Optimistic Etherscan, and other block explorers built on similar codebase architectures.

$ dataflirt scope --new-project --source=etherscan.io ready

Tell us what
to extract.
We do the rest.

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.

hello@dataflirt.com · Bengaluru · IST · typical reply < 4h
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