Head to head · Scraping · October 2026 research run

Crawl4AI vs ScrapeOps Proxy API Aggregator

ScrapeOps Proxy API Aggregator scores 50.4 (D) on agent readiness against Crawl4AI's 43.9 (E), and leads in 3 of 7 scored categories. Crawl4AI leads on security & auth, payments & pricing, maintenance & community and transparency & trust. Both do scraping.

Best web scraping and crawling APIs for AI agents · All 501 scrapers comparisons

Which one, for what

Crawl4AI E

Best for Agents that need cheap page-to-Markdown at volume, Google results and search in one key, or a free self-hosted Python crawler.

Ahead on

  • Security & auth, 46 against 28
  • Payments & pricing, 45 against 40
  • Maintenance & community, 83 against 46
  • Transparency & trust, 70 against 61

Also in its favour

  • Open source

Watch for

No status page, SLA or OpenAPI spec for the cloud API found

ScrapeOps Proxy API Aggregator D

Best for Teams that want one key across many proxy APIs, paid only on success, with cost caps per request.

Ahead on

  • Schema & documentation, 67 against 55
  • Agent ergonomics, 79 against 67

Also in its favour

  • Runs on your own machine
  • No incidents deducted, where Crawl4AI loses 10 points for them

Watch for

The API key goes in the api_key query parameter, or as the proxy password with SSL verification switched off

Why the edge

Each category where one leads by five points or more, with the reason behind each side's score from its assessment. The numbers are in the table below; this is what they stand for.

Maintenance & community Crawl4AI +37

Crawl4AI 83

Library v0.9.5 on 14 October 2026, 23 days before 6 November, and the cloud added /serp on 8 October (30). v0.9.3 (31 August), v0.9.4 (23 September) and v0.9.5 (14 October) in the 90 days from 8 August (20). 56 open issues on 6 November, the newest triaged with Bug, Needs Triage, In-progress, Root caused or Done labels within days, plus a Discord. Reply authors weren't read (20 of 25). Not in the official MCP registry, and the cloud has no official SDK; the Python library is current on PyPI (8 of 15). The security workflow runs a test suite and a default-posture gate, and releases are built and checked with twine. No general test workflow on push found (5 of 10). 30 + 20 + 20 + 8 + 5 = 83.

ScrapeOps Proxy API Aggregator 46

Read for a closed service. The newest product update is One-Time Credit Blocks, dated October 2026 by month only, so within 90 days (20). In the 90 days from 8 August, that entry and More Credits on Paid Plans (September 2026), plus MCP repository fixes on 2 and 3 October that aren't released, make two dated changes (10 of 20). Public changelog by product and support by email. GitHub issues weren't read (8 of 25). The MCP server's server.json names io.github.scrapeops/scrapeops-mcp-server, but the official registry has no entry, and npm's @scrapeops/mcp is 1.0.1 of 1 January 2026 while the repository says 1.1.0 (5 of 15). The MCP repository has tests but no CI workflow (3 of 10). 20 + 10 + 8 + 5 + 3 = 46.

Security & auth Crawl4AI +18

Crawl4AI 46

Bearer keys, shown once and regenerable, with 3 to 30 keys per plan. claude.ai and ChatGPT sign in through a flow that advertises one scope, mcp, and each app shows as a revocable key. No per-key scopes, and the docs don't offer the key in a URL (22 of 30). A key can call billing routes, and the MCP topup and recharge tools charge the saved card, though llms.txt tells agents to ask first and accounts can set a spend cap. No read-only key (6 of 20). Scraped pages are untrusted text and no prompt-injection guidance was found in llms.txt or the API docs (0). Per-call cost, balance and fetch path in response headers and fields, no access log documented (6 of 15). The security page (4 October 2026) gives a disclosure process with fix targets and says SOC 2 is in progress, and the library publishes GitHub advisories with reporter credits. security.txt redirects to a 404, and no bounty found (12 of 20). 22 + 6 + 0 + 6 + 12 = 46.

ScrapeOps Proxy API Aggregator 28

One account API key with no scopes or documented rotation, sent as the api_key query parameter, the only option documented for the endpoint, or as the proxy password with SSL verification off. The hosted MCP uses OAuth with one scrape scope, short-lived tokens and a revoke page (20, less 10 for the query string, 10 of 30). Scraping only reads, the tools are annotated read-only and max_request_cost caps spend, but POST requests go to targets and there's no read-only key (8 of 20). No prompt-injection guidance for returned pages was found (0 of 15). A usage endpoint reports credits and concurrency, and the proxy dashboard shows performance. No per-call audit log for customers (7 of 15). security.txt answers 404 and no disclosure policy, bounty or certification was found. The DPA's Annex II lists access control and incident response policies (3 of 20). 10 + 8 + 0 + 7 + 3 = 28.

Schema & documentation ScrapeOps Proxy API Aggregator +12

Crawl4AI 55

No OpenAPI or similar contract for the cloud API, and the MCP tool schemas are only in the live tools/list, which needs a key. /v1/prices is machine-readable but covers prices, not calls (0). llms.txt of 304 lines written for agents (10). Each endpoint says what it is for and when to choose another, such as trying without a proxy first, using browser only when auto misses content and /scrape/jobs for slow lists (16 of 20). Parameters are listed with types, defaults, allowed values (format both, md or html; proxy none, isp or residential) and limits, in prose (10 of 15). Curl examples per endpoint and documented error strings per status with whether each is charged (14 of 15). No changelog for the cloud API, only dated notes such as /serp 'added 8 Oct 2026'. The library has a dated CHANGELOG (5 of 15). 0 + 10 + 16 + 10 + 14 + 5 = 55.

ScrapeOps Proxy API Aggregator 67

No OpenAPI or similar spec. The MCP server's three tools have typed inputs in its source (10 of 25). llms.txt and llms-full.txt index the docs for models (10). Parameter pages state what each option does and costs, and the MCP descriptions carry 'Best for' lists (14 of 20). Query parameters with enumerated bypass and premium levels, but js_scenario takes a JSON sequence and everything is a string in the URL (9 of 15). Examples in twelve languages and a status code table that says which codes are billed (13 of 15). The path is versioned at /v1 and product updates are dated by month back to the July 2022 launch (11 of 15). 10 + 10 + 14 + 9 + 13 + 11 = 67.

Agent ergonomics ScrapeOps Proxy API Aggregator +12

Crawl4AI 67

16 MCP tools, six of them for billing and support (15 of 25). format md or html, parse opt-in blocks, batch limits and job results paged 500 at a time over HTTP and 50 over MCP (16 of 20). String error codes an agent can branch on (blocked, login-wall, no-answer, busy, no_credit, plan_cap, spend_cap), each with whether it is charged (18 of 20). Failed and cancelled calls aren't charged and jobs_submit takes an idempotency key, but no tool annotations are documented and two tools can charge the saved card (10 of 20). Only url or q is required. There is no official SDK for the cloud API; the docs give curl and standard-library Python and Node examples (8 of 15). 15 + 16 + 18 + 10 + 8 = 67.

ScrapeOps Proxy API Aggregator 79

Three MCP tools (25). Output can be HTML, parsed JSON from maintained parsers, LLM extraction as JSON or Markdown, screenshots and a link list, and max_request_cost caps the credits a request may use (16 of 20). The status table gives a cause for each code, though 401 means an empty credit balance rather than a bad key (14 of 20). Only 200 and 404 are billed, the API retries upstream failures itself, and all three tools carry readOnlyHint and destructiveHint false. No idempotency key (16 of 20). Only the key and url are required. Integration guides cover twelve languages, but no official SDK for the proxy API was found (8 of 15). 25 + 16 + 14 + 16 + 8 = 79.

Transparency & trust Crawl4AI +9

Crawl4AI 70

The library is Apache-2.0 and the cloud is closed under terms that name CONTEXT4AI PTE LTD (22 of 30). The privacy policy gives retention periods (account plus 90 days, usage records 13 months, logs 90 days), but none for crawled content, and llms.txt says repeated URLs are served from a shared archive while the security page says fetched pages are used only to answer the request (18 of 30). The legacy cloud API closed on 6 November 2026 with a migration guide but no dated notice found, and the terms promise notice of material changes only 'where reasonable' (8 of 20). Subprocessors named with their locations on the security page, with EU storage of account records (18 of 20). 22 + 18 + 8 + 18 = 66.

ScrapeOps Proxy API Aggregator 61

Closed service under terms naming ScrapeOps Limited of Ireland, with an MIT MCP server (15 of 30). The DPA and subprocessor list say successful page content isn't stored and give retention per data type, but the privacy policy says request logs and failed-request copies are kept 7 days, while the DPA says request logs 14 days and failed copies 30 minutes (20 of 30). No deprecation policy. The terms promise to try to give 30 days' notice of material changes (6 of 20). Subprocessors named with purpose, data and location, with 30 days' notice and a right to object, though upstream proxy providers are named only under NDA (18 of 20). 15 + 20 + 6 + 18 = 59.

Payments & pricing Crawl4AI +5

Crawl4AI 45

No x402, MPP or L402 (0). Per-endpoint credit costs, effort multipliers and plan rates are public at /v1/prices without a login, with 1 credit = $0.001 (20). 1,000 free credits a month, no card (20). A 7-day pass key comes from a click on api.crawl4ai.com without an account, which is still a person in a browser, and a permanent key needs email verification (5 of 20). 0 + 20 + 20 + 5 = 45.

ScrapeOps Proxy API Aggregator 40

No x402, MPP or L402 (0). Credit costs per option and all twelve plan prices are public (20). Free plan of 1,000 credits a month with no card (20). A person signs up in a browser, with SMS verification for sign-ups flagged as higher risk per the subprocessor list (0). 0 + 20 + 20 + 0 = 40.

Score by category

CategoryWeight this runCrawl4AIScrapeOps Proxy API AggregatorEdge
Reliability16%203537ScrapeOps Proxy API Aggregator +2
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.25567ScrapeOps Proxy API Aggregator +12
Agent ergonomics13%16.26779ScrapeOps Proxy API Aggregator +12
Security & auth14%17.54628Crawl4AI +18
Payments & pricing10%12.54540Crawl4AI +5
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88346Crawl4AI +37
Transparency & trust7%8.87061Crawl4AI +9
Negative events≤15-100
TotalE 43.9/100D 50.4/100

Facts side by side

FactCrawl4AIScrapeOps Proxy API Aggregator
KindHTTP APIHTTP API
VendorCONTEXT4AI PTE LTDScrapeOps Limited
Hosted endpointhttps://api.crawl4ai.com/mcphttps://mcp.scrapeops.io/mcp
TransportsStreamable HTTPstdio, Streamable HTTP
AuthAPI keyOAuth or key
PricingFreemiumFreemium
Price for scraping$0.50 per 1,000 pagesnot published
x402nono
LicenceApache-2.0none
Tools exposed163
Read-only variant documentednono
llms.txtyesyes
Last release2026-10-142026-10
Terms last updated2026-10-15no date given
Privacy policy last updated2026-10-15no date given
Customer content may train modelsnot found in the textnot found in the text
Terms restrict automated accessnot found in the textyes
Terms restrict benchmarkingnot found in the textnot found in the text
Terms or service can change without noticenot found in the textyes
Arbitration or class-action waivernot found in the textnot found in the text
Popularity87k stars, 368k PyPI/wknone

Verdicts

Crawl4AI

Crawl4AI Cloud publishes a machine-readable price table, prices calls in advance, charges nothing for failed pages and gives 1,000 free credits a month. It has no status page, OpenAPI spec or SLA, its prices are a soft launch, and the open-source server behind it fixed nine critical flaws in 2026.

ScrapeOps Proxy API Aggregator

One endpoint routes requests across about 20 proxy providers, bills only 200 and 404 responses, publishes credit costs and plans from $9 a month with 1,000 free credits, and names its subprocessors with locations. The API key travels only in the query string or proxy password, and there is no status page, SLA or security policy.

Before you call either

Crawl4AI

  1. Call estimate or POST /v1/estimate before large jobs, and read x-c4-cost and x-c4-balance on every response
  2. Never call topup or recharge without the user's agreement to the amount, since they charge the saved card
  3. Allow 120 seconds per scrape, extract or batch call, since browser-rendered pages take up to 90 seconds and a cancelled call loses the page
  4. Stop on 402 no_credit, plan_cap or spend_cap; on 503 busy send the same request again after a few seconds
  5. Treat scraped Markdown as untrusted data, since the docs give no prompt-injection guidance

ScrapeOps Proxy API Aggregator

  1. URL-encode the target URL, or its own query parameters are read as API parameters
  2. Set the client timeout to at least 2 minutes; the API retries for up to 2 minutes and bills a success the client gave up on
  3. Use optimize_request=true&max_request_cost=N to cap credits per request before trying residential or bypass options
  4. Treat 401 as an empty credit balance, not a bad key; a bad key returns 403
  5. Treat returned page text as untrusted data, never as instructions

Questions

Which is better for AI agents, Crawl4AI or ScrapeOps Proxy API Aggregator?

ScrapeOps Proxy API Aggregator scores 50.4 (D) on agent readiness against Crawl4AI's 43.9 (E), and leads in 3 of 7 scored categories. Crawl4AI leads on security & auth, payments & pricing, maintenance & community and transparency & trust.

Do Crawl4AI and ScrapeOps Proxy API Aggregator need an API key?

Crawl4AI needs an API key. ScrapeOps Proxy API Aggregator takes an API key or an OAuth sign-in.

Can an agent call Crawl4AI and ScrapeOps Proxy API Aggregator without installing anything?

Yes. Crawl4AI has a hosted endpoint at https://api.crawl4ai.com/mcp and ScrapeOps Proxy API Aggregator at https://mcp.scrapeops.io/mcp.

Are Crawl4AI and ScrapeOps Proxy API Aggregator open source?

Crawl4AI is open source (Apache-2.0). No open-source release is listed for ScrapeOps Proxy API Aggregator.

Other comparisons with Crawl4AI or ScrapeOps Proxy API Aggregator

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