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GET rcsb.org HTTP 200208 ms31.9 KB$0.000154 captured Aug 7, 2026

rcsb.org, as data

One API turns any rcsb.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.

target profile from the capture
Render mode
Plain HTTP, no browser needed
Response
HTTP 200 in 208 ms
Page size
31.9 KB of markdown, 375 lines
Fields
Business Name, Address, Phone, Category and 1 more
Captured
Aug 7, 2026

Free balance on signup, no card. This rcsb.org page cost $0.000154 to fetch.

response 200 · 208 ms · 31.9 KB
On **July 21, 2027**, wwPDB will fully transition to extended 12-character PDB IDs, the PDBx/mmCIF format, and the re-organized PDB archive.Convert PDB file to mmCIF format and extract meta data and statistical informationSearch protein structures by global shape similarity* #### PDBx/mmCIF Dictionary ResourcesInformation about the format, dictionaries, and related software tools used by the wwPDB* #### Other Deposition ResourcesHelp page summarizing tools available for deposition and validationComplex boolean queries with values for a wide range of structure attributes* #### Sequence Similarity SearchFind similar protein and nucleic acid sequences using the mmseqs2 method* #### Chemical Similarity SearchSearch for small molecules using SMILES, InChI, or Chemical FormulaPDB entries in context of annotations by various ontologies and hierarchical classification schemesSearch entries released since last TuesdaySearch entries that are being processed, on hold waiting for release, or have been withdrawnPDB data distribution, archive growth, and more3D visualization for PDB structures and ligand binding sites. Access from each structure summary page.* #### Sequence Annotations ViewerGraphical summaries of protein features and their relationships with UniProtKB entries. Access from each structure summary page.Graphical summaries of the correspondences between PDB entity sequences and genomes. Access from each structure summary page.* #### Pairwise Structure AlignmentCalculate pairwise structure alignments using various methods* #### Symmetry Resources in the PDBExplore tools that display global, local, and helical symmetry among subunitsThe slider graphic compares important global quality indicators for a given structure with the PDB archiveExplore conservation and trends in the structure properties, features, and functions* #### PDB Citation MeSH Network ExplorerFind connections between articles describing PDB structures using MeSH terms
POST /scrape · rcsb.org/index.md · markdown · Showing 28 of 375 lines · captured Aug 7, 2026

What Spider does on rcsb.org

Same key, five endpoints. The numbers under a cell were measured on this page.

/scrape

Page to markdown

Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.

208 ms · $0.000154
/fetch

Page to JSON

Spider reads the page and names the fields. Pass your own schema when you need exact keys.

/crawl

Whole site

Follows rcsb.org's own links, respects robots, streams pages as they land.

/links

Link graph

Every internal and external URL on a page, before you decide what to fetch.

/screenshot

Rendered capture

Real Chromium, full-page PNG. The same call also returns the rendered HTML.

The call behind the panel

This request produced the response above. Paste it with your key and you get the same bytes.

request scrape.sh
curl -X POST https://api.spider.cloud/scrape \
  -H "Authorization: Bearer $SPIDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://rcsb.org/", "return_format": "markdown"}'
plain request · no browser, no selectors

What rcsb.org costs

Multiplied from the measured 31.9 KB page. Estimates round to the cent.

cost measured
This page, once 31.9 KB over HTTP, measured $0.000154
This page, daily for a month 30 fetches at the measured price ≈ $0.004625
1,000 pages this size 31.2 MB at the measured price ≈ $0.15
10,000 pages this size 311.9 MB at the measured price ≈ $1.54

1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.

Point this at the rest of rcsb.org.

The capture above took 208 ms and cost $0.000154. The same call takes any URL on rcsb.org.

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