{"slug":"music-openverbs-com-v1-chord-3a838e","title":"Build a chord from a root note and quality (major, minor, dim, aug, maj7, min7, ","host":"music.openverbs.com","method":"POST","resource":"https://music.openverbs.com/v1/chord","category":"other","description":"Build a chord from a root note and quality (major, minor, dim, aug, maj7, min7, dom7, dim7, half-dim7, sus2, sus4, maj6, min6). Notes are spelled by stacked thirds (C dom7 → C E G Bb). Returns the note names, MIDI numbers and semitone intervals.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":617,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"quality":"major","root":"example"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"quality":{"description":"Chord quality.","enum":["major","minor","dim","aug","maj7","min7","dom7","dim7","half-dim7","sus2","sus4","maj6","min6"],"type":"string"},"root":{"description":"Root note, e.g. \"C4\".","maxLength":8,"minLength":1,"type":"string"}},"required":["root","quality"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":617,"error":null}],"description_full":"Build a chord from a root note and quality (major, minor, dim, aug, maj7, min7, dom7, dim7, half-dim7, sus2, sus4, maj6, min6). Notes are spelled by stacked thirds (C dom7 → C E G Bb). Returns the note names, MIDI numbers and semitone intervals.","last_updated":"2026-09-06T08:16:17.604Z","schemes":["exact"]}