MCP · JSON API · Atom

Catalog data for AI agents

Use the same checked offers shown on nopaywall in an AI assistant, script, or feed reader. The data is public and read-only; no API key is needed.

01 / JSON API

Fetch offers for your app

/offers.json

Get the current catalog as JSON. Filter offers by category, card requirement, region, or date.

categorycard_requiredregionsinceends_before

curl "https://nopaywall.io/offers.json?category=student&card_required=false"

02 / MCP

Search from an AI assistant

/mcp

Connect a compatible assistant to search offers and categories. The server can read catalog data, but cannot change the site.

search_offersget_offerlist_categories

Set up Grok

Add to Cursor

https://nopaywall.io/mcp
codex mcp add nopaywall --url https://nopaywall.io/mcp
claude mcp add --transport http --scope user nopaywall https://nopaywall.io/mcp

03 / ATOM

Follow catalog updates

Atom feed of offers added or changed in the last 30 days.

/feed.xml

120requests per minute / IP

5 minedge cache

CORSbrowser access enabled

Limits are shared by /offers.json, /feed.xml, and /mcp. Rate-limited requests return HTTP 429 with Retry-After.

RESPONSE FORMAT

Fields in each offer

Values follow the published catalog; missing source details remain null.

id: Stable slug. It does not change when an offer is renamed.
name, summary: Offer name and what it provides.
category: llm, student, api, generation, or other.
limit: Human-readable free limit, or null when the source states none.
card_required: true, false, or null when the source does not say.
region, audience: Eligibility as stated by the source, or null.
ends_at: Offer end date (YYYY-MM-DD), or null. Trial lengths are in summary.
added_at, updated_at: When the offer entered the catalog and when its content last changed.
last_checked: Latest successful check of the offer.
url, source_url: Offer link and the page stating its terms.
is_referral: true when the offer URL is a referral or partner link.
tags: Models or generation type.