Add or subtract from a timecode, either another timecode (b) or a raw frame coun
Add or subtract from a timecode, either another timecode (b) or a raw frame count (frames), at a given frame rate. Uses frame-exact SMPTE math (including drop-frame). A result below zero is rejected as a clean 400.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
637 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://timecode.openverbs.com/v1/add
| Category | Everything else |
|---|---|
| Provider host | timecode.openverbs.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 637 ms |
Example input (from the provider)
{
"body": {
"a": "example",
"b": "example",
"dropFrame": false,
"frameRate": 24
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"a": {
"description": "The base timecode.",
"maxLength": 20,
"minLength": 1,
"type": "string"
},
"b": {
"description": "A timecode to add/subtract (use instead of frames).",
"maxLength": 20,
"minLength": 1,
"type": "string"
},
"dropFrame": {
"description": "Drop-frame counting (auto-detected from a's separator if omitted).",
"type": "boolean"
},
"frameRate": {
"description": "Frame rate for both operands.",
"enum": [
24,
25,
30,
48,
50,
60,
23.976,
29.97,
47.952,
59.94
],
"type": "number"
},
"frames": {
"description": "A frame count to add/subtract (use instead of b).",
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "integer"
},
"operation": {
"description": "Operation. Default add.",
"enum": [
"add",
"subtract"
],
"type": "string"
}
},
"required": [
"frameRate",
"a"
],
"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"
}