API Credits

Choose the API credit package that best fits your needs.
Whether you're doing bibliographical search, building a lightweight app to monitor new papers in a narrow niche, or rolling out a mission-critical application that depends on complete, end-to-end access to global research, we have you covered.

🎁 1,000 FREE credits automatically added when you create an account!
The more you bundle, the more you save — discounts are baked into every package!
1,000
Credits

Starter kit for early-stage builders and manual literature search

$26.90 -27%
$19.90
$0.020 per credit
10,000
Credits

Ideal for production pilots and quick validation

$199.00 -26%
$149.00
$0.015 per credit
Most Popular
100,000
Credits

Best value for scaling applications

$990.00 -21%
$790.00
$0.008 per credit
1,000,000
Credits

For high-volume operations that rely on full scholarly coverage

$5,990.00 -17%
$4,990.00
$0.005 per credit

Credits expire 12 months after purchase.

Need more than 1M credits?
Request a custom-size batch at $0.005 per credit

Usage Rates

GET /pdf
10  credits 5  credits Promo until June 30, 2026

Returns the full binary PDF of the publication.

GET /text
5  credits 3  credits Promo until June 30, 2026

Returns the full plain-text content of the publication extracted from its PDF or web page.

GET /texts
N × 5  credits N × 3  credits Promo until June 30, 2026

Returns plain-text content for up to a hundred (100) publications at once.

N = number of texts retrieved

GET /list
10 + N  credits 5 + N  credits Promo until June 30, 2026

Returns up to a thousand (1,000) metadata records sorted by indexing time for exhaustive search or ingestion. Abstracts included if available.

N = number of records retrieved

GET /search
10 + N × 2  credits 5 + N  credits Promo until June 30, 2026

Returns up to a thousand (1,000) metadata records of the most relevant publications matching the keywords. Abstracts included if available.

N = number of records retrieved