Spell Slots

Looks up D&D 5e spell slots by class and level.

Overview

Looks up D&D 5e spell slots by class and level. Returns the level 1-9 spell-slot array for any 5e class at a given level (full casters, half-casters like Paladin/Ranger, Warlock pact magic, and non-casters), plus proficiency bonus. SRD spellcasting tables (OGL 1.0a / CC-BY-4.0). Use it as a spellcasting slot table API or pact magic lookup.

Endpoint

Method	Endpoint	Price	Description
POST	/v1/marketplace/api/spell-slots	$0.00575	Invoke Spell Slots (General) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i -X POST https://api.jarvisclaw.ai/v1/marketplace/api/spell-slots \
  -H 'Content-Type: application/json' \
  -d '{}'

# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/spell-slots \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <signed-payload>' \
  -d '{}'

Open in the marketplace